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.
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
- COMMISSIONER18
- PHOTOGRAPHER23
- MANUFACTURER19
- ENTREPRENEUR14
- INVESTIGATOR16
- PRACTITIONER16
- REFRIGERATOR16
- MANSLAUGHTER18
- INTERSTELLAR12
- SCREENWRITER17
- COLLABORATOR16
- CHEESEBURGER20
All valid words 588
- 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
Highest-scoring words
| Word | Scrabble | Words With Friends | Dictionaries |
|---|---|---|---|
| KATZENJAMMER | 36 | 41 | All three |
| MUZZLELOADER | 33 | 37 | NWL only |
| METHOXYCHLOR | 32 | 32 | All three |
| HYPOTHESIZER | 32 | 30 | Collins · NWL |
| EXTEMPORIZER | 32 | 34 | All three |
| TRANQUILIZER | 30 | 33 | All three |
| PRIZEFIGHTER | 30 | 31 | All three |
| MYTHOLOGIZER | 30 | 31 | All three |
| SOLILOQUIZER | 30 | 33 | All three |
| CHECKWEIGHER | 30 | 31 | Collins only |
| BREATHALYZER | 29 | 29 | Collins only |
| SYNCHRONIZER | 29 | 30 | All 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?
Which first letter is most common for these words?
How many of these words are in NWL2023?
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