12-letter words ending in R

588 12-letter words ending in R make a broad set, from familiar words like commissioner to rare high-scoring entries.

588 wordsTop pick COMMISSIONERHighest score KATZENJAMMER 36

13 of 588 are everyday words (2%). Mostly rare words: great for Scrabble, tough for daily puzzles.

S ends the most 12-letter words (9,681); U ends the fewest (1). R ranks #10 of 26. The bar under each letter shows the size of its list.

Common words 13 · most-used first

  • COMMISSIONER18
  • PHOTOGRAPHER23
  • MANUFACTURER19
  • ENTREPRENEUR14
  • INVESTIGATOR16
  • PRACTITIONER16
  • REFRIGERATOR16
  • MANSLAUGHTER18
  • INTERSTELLAR12
  • SCREENWRITER17
  • COLLABORATOR16
  • CHEESEBURGER20

Showing the top 12 of 13 common words. See every valid word

All valid words 588

A to Z. Includes rare and Collins-only words. Linked tiles open the word's meaning, score and rhymes.

  • ACCLIMATISER18
  • ACCLIMATIZER27
  • ACCOMMODATOR21
  • ACCOMPLISHER23
  • ACKNOWLEDGER23
  • AGROFORESTER16
  • ALBUMBLATTER18
  • ALPHABETISER19
  • ALPHABETIZER28
  • AMPHITHEATER22
  • ANIMADVERTER18
  • ANTHOLOGISER16
  • ANTHOLOGIZER25
  • ANTICONSUMER16
  • ANTIMACASSAR16
  • ANTIPREDATOR15
  • ANTITAKEOVER19
  • APPENDICULAR19
  • APPROPRIATOR18
  • ARITHMOMETER19
  • ASSASSINATOR12
  • AUTOINJECTOR21
  • AVERRUNCATOR17
  • BACKGROUNDER22
  • BACKWOODSIER24
  • BALLADMONGER18
  • BARORECEPTOR18
  • BASKETBALLER20
  • BASKETWEAVER24
  • BEAUTIFULLER17
  • BIOMOLECULAR18
  • BODYSNATCHER23
  • BONNYCLABBER23
  • BOOTSTRAPPER18
  • BOULEVARDIER18
  • BRAINSTORMER16
  • BRASSFOUNDER18
  • BREASTFEEDER18
  • BREASTSUMMER18
  • BREATHALYSER20
  • BREATHALYZER29
  • BREECHLOADER20
  • BRICKFIELDER24
  • BROCCOFLOWER24
  • BRONCOBUSTER18
  • CABINETMAKER22
  • CACKERMANDER23
  • CALLIGRAPHER20
  • CAMPANOLOGER19
  • CANDLEHOLDER19
  • CANDYSTRIPER20
  • CARDBOARDIER18
  • CARDIOVERTER18
  • CARILLONNEUR14
  • CARPETBAGGER20
  • CARPETMONGER19
  • CARTOGRAPHER20
  • CATHETOMETER19
  • CEPHALOMETER21
  • CHECKWEIGHER30
  • CHEESEBURGER20
  • CHEESECUTTER19
  • CHEESEHOPPER24
  • CHEESEMONGER20
  • CHEESETASTER17
  • CHIROGRAPHER23
  • CHIROPRACTOR21
  • CHLOROFORMER22
  • CHOKERSETTER21
  • CHOREGRAPHER23
  • CHOROGRAPHER23
  • CHORUSMASTER19
  • CHROMOCENTER21
  • CIRCULARISER16
  • CIRCULARIZER25
  • CIRCUMCENTER20
  • CIRCUMVENTER21
  • CIRCUMVENTOR21
  • COACHBUILDER22
  • COADMINISTER17
  • COCURRICULAR18
  • CODISCOVERER20
  • COLLABORATOR16
  • COMMEMORATOR20
  • COMMISERATOR18
  • COMMISSIONER18
  • COMMUNALISER18
  • COMMUNALIZER27
  • COMMUNICATOR20
  • COMPLIMENTER20
  • COMPREHENDER22
  • CONCENTRATOR16
  • CONCESSIONER16
  • CONCORDANCER19
  • CONFABULATOR19
  • CONFECTIONER19
  • CONFERENCIER19
  • CONQUISTADOR24
  • CONSOLIDATOR15
  • CONTAMINATOR16
  • CONTEMPLATOR18
  • CONTRADICTER17
  • CONTRADICTOR17
  • CONTROVERTER17
  • CONVENTICLER19
  • CONVENTIONER17
  • COPROPRIETOR18
  • CORESEARCHER19
  • CORRECTIONER16
  • CORROBORATOR16
  • COSMOGRAPHER22
  • COSTERMONGER17
  • COULOMBMETER20
  • COUNTENANCER16
  • COUNTEROFFER20
  • COUNTERORDER15
  • COUNTERPOWER19
  • COUNTERTENOR14
  • CROSSBENCHER21
  • CRYSTALLISER17
  • CRYSTALLIZER26
  • CUCKOOFLOWER26
  • DECARBONATOR17
  • DECARBONISER17
  • DECARBONIZER26
  • DECLINOMETER17
  • DECOMPRESSOR19
  • DECORTICATOR17
  • DEFRAGMENTER19
  • DEHUMIDIFIER22
  • DEMAGNETISER16
  • DEMAGNETIZER25
  • DEMOCRATISER17
  • DEMOCRATIZER26
  • DEMONSTRATOR15
  • DENSITOMETER15
  • DEPHLEGMATOR21
  • DEPROGRAMMER20
  • DESENSITISER13
  • DESENSITIZER22
  • DESTABILISER15
  • DESTABILIZER24
  • DETERMINATOR15
  • DIASTEREOMER15
  • DISASSEMBLER17
  • DISCOGRAPHER21
  • DISCONNECTER17
  • DISCONTINUER15
  • DISENCHANTER18
  • DISINHIBITOR18
  • DISORGANISER14
  • DISORGANIZER23
  • DISPOSSESSOR15
  • DISQUALIFIER25
  • DISSEMINATOR15
  • DISSIMULATOR15
  • DIVERTICULAR18
  • DOMESTICATOR17
  • DOPPELGANGER19
  • DOUBLEHEADER19
  • EAVESDROPPER20
  • EBULLIOMETER16
  • EFFUSIOMETER20
  • ELECTROFLUOR17
  • ELECTROLYSER17
  • ELECTROLYZER26
  • ELECTROMETER16
  • ELECTROMOTOR16
  • ELECTROPOLAR16
  • ELECTROTYPER19
  • EMPOVERISHER22
  • ENCAPSULATOR16
  • ENCUMBRANCER20
  • ENDOSMOMETER17
  • ENFRANCHISER20
  • ENTREPRENEUR14
  • EPICUTICULAR18
  • EQUILIBRATOR23
  • ETHNOGRAPHER21
  • EVAPORIMETER19
  • EVAPOROMETER19
  • EVERYWHITHER27
  • EXHIBITIONER24
  • EXPECTORATOR23
  • EXPEDITIONER22
  • EXPERIMENTER23
  • EXPOSTULATOR21
  • EXPROPRIATOR23
  • EXTEMPORISER23
  • EXTEMPORIZER32
  • EXTENSIMETER21
  • EXTENSOMETER21
  • EXTERMINATOR21
  • EXTEROCEPTOR23
  • EXTINGUISHER23
  • EXTRANUCLEAR21
  • EXTRAPOLATOR21
  • FAMILIARISER17
  • FAMILIARIZER26
  • FENNELFLOWER21
  • FESTIVALGOER19
  • FILIBUSTERER17
  • FINGERPICKER24
  • FLAMEPROOFER22
  • FLAMETHROWER23
  • FLOWERBEARER20
  • FORESHADOWER22
  • FORMULARISER17
  • FORMULARIZER26
  • FOUNDATIONER16
  • FRACTIONATOR17
  • FRONTBENCHER22
  • FUNAMBULATOR19
  • GALACTOMETER17
  • GALVANOMETER18
  • GASTROSOPHER18
  • GESTICULATOR15
  • GLOBETROTTER15
  • GOSSIPMONGER18
  • GRANDSTANDER15
  • GRAVITOMETER18
  • GREENSKEEPER19
  • GUBERNACULAR17
  • HAGIOGRAPHER22
  • HAIRSPLITTER17
  • HALLUCINATOR17
  • HANDICRAFTER21
  • HARBORMASTER19
  • HARMONOMETER19
  • HARQUEBUSIER26
  • HASENPFEFFER26
  • HEADSHRINKER23
  • HEARTBREAKER21
  • HELIOGRAPHER21
  • HEPHTHEMIMER27
  • HIEROGRAPHER21
  • HIPPOCENTAUR21
  • HOLIDAYMAKER25
  • HOMESCHOOLER22
  • HONEYCREEPER22
  • HORNSWOGGLER20
  • HORSEWHIPPER25
  • HOUSEBREAKER21
  • HOUSEPAINTER17
  • HYDROCRACKER27
  • HYDROGENATOR20
  • HYDROGRAPHER25
  • HYMNOGRAPHER26
  • HYPERREACTOR22
  • HYPOTHECATOR25
  • HYPOTHESISER23
  • HYPOTHESIZER32
  • IAMBOGRAPHER22
  • ICONOGRAPHER20
  • IMMORTALISER16
  • IMMORTALIZER25
  • IMPERSONATOR16
  • IMPOVERISHER22
  • IMPROPRIATOR18
  • IMPROVISATOR19
  • INCARCERATOR16
  • INCLINOMETER16
  • INCORPORATOR16
  • INCRIMINATOR16
  • INDISCREETER15
  • INDIVIDUATOR17
  • INFUNDIBULAR18
  • INTERCHANGER18
  • INTERCHAPTER19
  • INTERCLUSTER14
  • INTERLAMINAR14
  • INTERLOBULAR14
  • INTERLOCUTOR14
  • INTERMEDDLER16
  • INTERNUCLEAR14
  • INTEROCEPTOR16
  • INTERPLEADER15
  • INTERPOLATER14
  • INTERPOLATOR14
  • INTERROGATOR13
  • INTERSTELLAR12
  • INTRANUCLEAR14
  • INTRAPRENEUR14
  • INVESTIGATOR16
  • ISOPERIMETER16
  • JITTERBUGGER23
  • JUSTIFICATOR24
  • KATHAROMETER21
  • KATZENJAMMER36
  • KIRSCHWASSER24
  • KLIPSPRINGER21
  • LITHOGRAPHER21
  • LITHOTRIPTER17
  • LITHOTRIPTOR17
  • MACRONUCLEAR18
  • MAGNETOMETER17
  • MAINSTREAMER16
  • MANSLAUGHTER18
  • MANUFACTURER19
  • MASTERSINGER15
  • MATERIALISER14
  • MATERIALIZER23
  • MATRICULATOR16
  • MEMORIALISER16
  • MEMORIALIZER25
  • MERCHANDISER20
  • MERCHANDIZER29
  • METACOMPUTER20
  • METHANOMETER19
  • METHOXYCHLOR32
  • MICROBROWSER21
  • MICROGRAPHER22
  • MICROMANAGER19
  • MICROSCOOTER18
  • MICROTUBULAR18
  • MIDDLEBUSTER18
  • MILLIAMMETER18
  • MINICOMPUTER20
  • MISBEHAVIOUR22
  • MISCEGENATOR17
  • MISCONCEIVER21
  • MISDEMEANOUR17
  • MOLLYCODDLER21
  • MONEYCHANGER23
  • MOTHERFUCKER26
  • MOUTHBREEDER20
  • MOUTHBROODER20
  • MUCKSPREADER23
  • MULTIANGULAR15
  • MULTICHAMBER23
  • MULTILOBULAR16
  • MULTILOCULAR16
  • MULTINUCLEAR16
  • MUZZLELOADER33
  • MYOFIBRILLAR22
  • MYTHOGRAPHER26
  • MYTHOLOGISER21
  • MYTHOLOGIZER30
  • NARROWCASTER17
  • NATIONALISER12
  • NATIONALIZER21
  • NEANDERTALER13
  • NECROGRAPHER20
  • NEEDLEWORKER20
  • NEPHELOMETER19
  • NEWSWORTHIER21
  • NIGHTCLUBBER22
  • NOCIRECEPTOR18
  • NONCHARACTER19
  • NONCOLLECTOR16
  • NONCOLLINEAR14
  • NONCONDUCTOR17
  • NONCONFORMER19
  • NONCROSSOVER17
  • NONLANDOWNER16
  • NONMOLECULAR16
  • NONPERFORMER19
  • NONRESPONDER15
  • NOTEWORTHIER18
  • OFFICEHOLDER24
  • OLFACTOMETER19
  • ONEIROMANCER16
  • ORCHESTRATER17
  • ORCHESTRATOR17
  • ORTHOGRAPHER21
  • OVERACHIEVER23
  • OVERENGINEER16
  • OVERFAMILIAR20
  • PALEOGRAPHER20
  • PANTOGRAPHER20
  • PARTICIPATOR18
  • PASQUEFLOWER29
  • PENETROMETER16
  • PERAMBULATOR18
  • PEREGRINATOR15
  • PERIVASCULAR19
  • PERSEVERATOR17
  • PETROGRAPHER20
  • PHONOGRAPHER23
  • PHOTOGRAPHER23
  • PHOTONUCLEAR19
  • PHOTOPOLYMER24
  • PHRASEMONGER20
  • PHYTOGRAPHER26
  • PICKLEBALLER22
  • PLURILOCULAR16
  • POLICYHOLDER23
  • POLITICASTER16
  • PONTIFICATOR19
  • PORNOGRAPHER20
  • POSTCONSUMER18
  • PRACTITIONER16
  • PRALLTRILLER14
  • PREAMPLIFIER21
  • PRECIPITATOR18
  • PRECONCILIAR18
  • PREDOMINATOR17
  • PREMEDITATOR17
  • PREPROCESSOR18
  • PRESLAUGHTER18
  • PRESTIGIATOR15
  • PRETENSIONER14
  • PRETERMITTER16
  • PREVARICATOR19
  • PRIMOGENITOR17
  • PRIZEFIGHTER30
  • PROCESSIONER16
  • PROLIFERATOR17
  • PROSELYTISER17
  • PROSELYTIZER26
  • PSEUDOMARTYR20
  • PSEUDOSCALAR17
  • PSEUDOVECTOR20
  • PSYCHROMETER24
  • QUADRANGULAR23
  • QUALIFICATOR26
  • QUARRYMASTER26
  • RADIOGRAPHER19
  • RATIOCINATOR14
  • RATIONALISER12
  • RATIONALIZER21
  • READMINISTER15
  • RECEPTACULAR18
  • RECIPROCATOR18
  • RECONNOITRER14
  • RECRIMINATOR16
  • REDEMPTIONER17
  • REDISCOVERER18
  • REFRIGERATOR16
  • RELINQUISHER24
  • REMEMBRANCER20
  • REMONSTRATOR14
  • RENOVASCULAR17
  • REPROGRAPHER20
  • RESOLUTIONER12
  • RESPIROMETER16
  • RESTAURATEUR12
  • RESUSCITATOR14
  • REVERBERATOR17
  • REVOLUTIONER15
  • RHABDOMANCER22
  • RHEORECEPTOR19
  • RHYTHMOMETER25
  • RODOMONTADER16
  • ROLLERBLADER15
  • RUBBERNECKER22
  • RUMOURMONGER17
  • SCARIFICATOR19
  • SCENESHIFTER20
  • SCENOGRAPHER20
  • SCHOOLMASTER19
  • SCHUSSBOOMER21
  • SCINTILLATOR14
  • SCREENWRITER17
  • SCRIMSHANDER20
  • SCRIPTWRITER19
  • SEARCHMASTER19
  • SEMICIRCULAR18
  • SEMICYLINDER20
  • SEMIDIAMETER17
  • SEMIGLOBULAR17
  • SENSITOMETER14
  • SENSORIMOTOR14
  • SEQUESTRATOR21
  • SHARECROPPER21
  • SHARPSHOOTER20
  • SHEEPSHEARER20
  • SHELLCRACKER23
  • SHIRTWAISTER18
  • SHORTCHANGER21
  • SIGNIFICATOR18
  • SINKERBALLER18
  • SKATEBOARDER19
  • SKELETONISER16
  • SKELETONIZER25
  • SKRIMSHANKER25
  • SLEDGEHAMMER21
  • SLOCKDOLAGER20
  • SLOCKDOLIGER20
  • SLOCKDOLOGER20
  • SNOBOGRAPHER20
  • SNOLLYGOSTER16
  • SOLILOQUISER21
  • SOLILOQUIZER30
  • SPECKSIONEER20
  • SPECKTIONEER20
  • SPECTROMETER18
  • SPEECHWRITER22
  • SPELLCHECKER25
  • SPHYGMOMETER25
  • SPORTSCASTER16
  • SPORTSWRITER17
  • SPRINGKEEPER21
  • SQUIRRELLIER21
  • STABILISATOR14
  • STABILIZATOR23
  • STAIRCLIMBER18
  • STANDARDISER14
  • STANDARDIZER23
  • STAYCATIONER17
  • STENOGRAPHER18
  • STEPDAUGHTER19
  • STEREOISOMER14
  • STERNWHEELER18
  • STICKHANDLER22
  • STOCKBREEDER21
  • STRAIGHTENER16
  • STRATOTANKER16
  • STREETKEEPER18
  • STREETWALKER19
  • STRENGTHENER16
  • STRESSBUSTER14
  • SUBAURICULAR16
  • SUBINSPECTOR18
  • SUBOPERCULAR18
  • SUBORBICULAR18
  • SUBORDINATOR15
  • SUBTREASURER14
  • SUBUMBRELLAR18
  • SUPERCARRIER16
  • SUPERCHARGER20
  • SUPERCLUSTER16
  • SUPERNACULAR16
  • SUPERPOLYMER21
  • SUPERTEACHER19
  • SUPPLEMENTER18
  • SURREJOINDER20
  • SWASHBUCKLER26
  • SYNCHRONISER20
  • SYNCHRONIZER29
  • SYSTEMATISER17
  • SYSTEMATIZER26
  • TABERNACULAR16
  • TACHYGRAPHER26
  • TECHNICOLOUR19
  • TELECOMMUTER18
  • TELEMARKETER18
  • TELEOPERATOR14
  • TELEPROMPTER18
  • TELLUROMETER14
  • TENDEROMETER15
  • TESTIFICATOR17
  • THEOLOGASTER16
  • THEREINAFTER18
  • THROUGHITHER22
  • THROUGHOTHER22
  • TRAILBREAKER18
  • TRAINSPOTTER14
  • TRANQUILISER21
  • TRANQUILIZER30
  • TRANSGRESSOR13
  • TRANSPLANTER14
  • TRANSSHIPPER19
  • TRENDSPOTTER15
  • TRIGONOMETER15
  • TRIMOLECULAR16
  • TROCHEAMETER19
  • TROPOSCATTER16
  • TROUBLEMAKER20
  • TURBIDIMETER17
  • TURBOCHARGER20
  • UNDERBUILDER16
  • UNDERPROPPER19
  • UNDERSKINKER21
  • UNDERSTANDER14
  • UNFRIENDLIER16
  • UNIMOLECULAR16
  • URANOGRAPHER18
  • VEGGIEBURGER20
  • VELOCIRAPTOR19
  • VERSIFICATOR20
  • VIDEOGRAPHER22
  • VISCEROMOTOR19
  • VISCOSIMETER19
  • VITICULTURER17
  • WAISTCOATEER17
  • WATERPROOFER20
  • WEIGHTLIFTER22
  • WEISENHEIMER20
  • WHENCESOEVER23
  • WHITEPAINTER20
  • WICKETKEEPER27
  • WONDERMONGER19
  • WOOLGATHERER19
  • WUNDERKINDER21
  • YELLOWHAMMER25
  • ZEITGEISTIER22
  • ZINCOGRAPHER29
Letters by positionIn 72% of these words the 11th letter is E.
5th letter
  1. O16%
  2. E13%
  3. R12%
7th letter
  1. R16%
  2. O15%
  3. I10%
8th letter
  1. A16%
  2. I11%
  3. E11%
9th letter
  1. A18%
  2. I13%
  3. E10%
10th letter
  1. T36%
  2. H9%
  3. L8%
11th letter
  1. E72%
  2. O19%
  3. A7%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses
Score spreadMost of these words score 18 in Scrabble; KATZENJAMMER tops the list with 36. Scores before board bonuses.
  1. 1212 points: 6 words
  2. 13 points: 4 words
  3. 1414 points: 34 words
  4. 15 points: 29 words
  5. 1616 points: 68 words
  6. 17 points: 62 words
  7. 1818 points: 70 words
  8. 19 points: 62 words
  9. 2020 points: 64 words
  10. 21 points: 50 words
  11. 2222 points: 34 words
  12. 23 points: 33 words
  13. 2424 points: 15 words
  14. 25 points: 16 words
  15. 2626 points: 19 words
  16. 27 points: 6 words
  17. 2828 points: 1 words
  18. 29 points: 5 words
  19. 3030 points: 5 words
  20. 31 points: 0 words
  21. 3232 points: 3 words
  22. 33 points: 1 words
  23. 3434 points: 0 words
  24. 35 points: 0 words
  25. 3636 points: 1 words
WordScrabbleWords With FriendsDictionaries
KATZENJAMMER3641All three
MUZZLELOADER3337NWL only
METHOXYCHLOR3232All three
HYPOTHESIZER3230Collins · NWL
EXTEMPORIZER3234All three
TRANQUILIZER3033All three
PRIZEFIGHTER3031All three
MYTHOLOGIZER3031All three
SOLILOQUIZER3033All three
CHECKWEIGHER3031Collins only
BREATHALYZER2929Collins only
SYNCHRONIZER2930All three

These matches cover jobs, objects, and compounds. Commissioner, photographer, manufacturer, entrepreneur, and investigator are recognizable examples; screenwriter and stepdaughter show how readily R endings turn up in compounds. Still, familiarity is the exception: only 13 entries meet our frequency cutoff, so a match is not necessarily an everyday word.

12-letter words ending in R at a glance

  • The set contains 588 words, but just 13 meet our frequency cutoff.
  • Definitions are available for 452 of the 588 entries, so most candidates have a meaning to look up.
  • Collins includes 538 matches, compared with 385 in NWL2023 and 307 in ENABLE.
  • S is the most frequent first letter, with 85 words; C follows with 77.
  • Recognizable examples include commissioner, photographer, refrigerator, and cheeseburger.

Which starting letters appear most often?

S leads the opening-letter group with 85 entries, ahead of C at 77; P drops to 46. When a crossing pattern leaves the first letter open, test S and C before less frequent starters.

The neighboring lengths change the picture sharply: 11-letter words ending in R number 1,056, while the 13-letter group has 257. The 10-letter list is larger at 1,684, and the 14-letter list shrinks to 127. Use the exact length as a firm filter before checking possible openings.

How do these long words score?

Length alone does not guarantee a huge tile total. The average score is 19.3; muzzleloader scores 33, and the highest score reaches 36. Look at the letters as well as the length, then consider whether a premium square can improve your play.

Dictionary coverage is a real constraint: 538 words appear in Collins, 385 in NWL2023, and 307 in ENABLE. Those counts overlap rather than forming separate piles. For 12-letter words ending in R, verify a candidate against your game's active lexicon; the 588 total includes words from at least one supported tournament dictionary.

Questions people ask

Is commissioner a 12-letter word ending in R?
Yes, commissioner is a 12-letter word ending in R. Other recognizable matches include photographer, manufacturer, entrepreneur, and investigator. The wider set also contains compounds such as screenwriter and stepdaughter, but only 13 entries meet our frequency cutoff.
Which first letter is most common for these words?
S is the most common first letter, with 85 entries, and C follows with 77. P comes next at 46, then M at 44. If the opening tile is unknown, those four letters give you the densest starting points before you test less frequent initials.
How many of these words are in NWL2023?
NWL2023 contains 385 of the 588 words, while Collins includes 538 and ENABLE includes 307. The dictionaries overlap, so these counts cannot be added to get the total. A word outside NWL2023 may still be accepted in another supported lexicon.

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