4-letter words ending in O

4-letter words ending in O number 216, including familiar picks like ALSO, HERO, ZERO, and TACO.

216 wordsTop pick ALSOHighest score DZHO 17

48 of 216 are everyday words (22%). A mix of familiar words and game-only finds.

S ends the most 4-letter words (1,110); Q ends the fewest (1). O ranks #10 of 26. The bar under each letter shows the size of its list.

Common words 48 · most-used first

  • ALSO4
  • INTO4
  • ONTO4
  • HERO7
  • ZERO13
  • SOLO4
  • INFO7
  • AUTO4
  • LOGO5
  • EURO4
  • DEMO7
  • ECHO9
  • UNTO4
  • TRIO4
  • MEMO8
  • POLO6
  • HALO7
  • MAYO9
  • TACO6
  • OTTO4
  • VETO7
  • EXPO13
  • HOMO9
  • UNDO5
  • MILO6
  • MONO6
  • RENO4
  • COCO8
  • AMMO8
  • ALTO4
  • NANO4
  • AFRO7
  • VIVO10
  • DECO7
  • DINO5
  • SOHO7
  • AERO4
  • LIMO6
  • MOJO13
  • TYPO9
  • BOKO10
  • JUDO12
  • TORO4
  • LOCO6
  • REDO5
  • CAMO8
  • KILO8
  • REPO6
All valid words 216

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

  • ACRO6
  • AERO4
  • AFRO7
  • AGIO5
  • AGRO5
  • ALCO6
  • ALKO8
  • ALSO4
  • ALTO4
  • AMBO8
  • AMMO8
  • ANNO4
  • APSO6
  • ARCO6
  • ARVO7
  • AUTO4
  • BEGO7
  • BIRO6
  • BITO6
  • BOBO8
  • BOHO9
  • BOKO10
  • BOLO6
  • BOYO9
  • BOZO15
  • BRIO6
  • BROO6
  • BUBO8
  • BUDO7
  • BUFO9
  • CALO6
  • CAMO8
  • CAPO8
  • CERO6
  • CHAO9
  • CIAO6
  • CITO6
  • COCO8
  • COHO9
  • DADO6
  • DAGO6
  • DATO5
  • DECO7
  • DELO5
  • DEMO7
  • DERO5
  • DIDO6
  • DINO5
  • DOCO7
  • DODO6
  • DOJO12
  • DURO5
  • DZHO17
  • ECCO8
  • ECHO9
  • EDDO6
  • ERGO5
  • EURO4
  • EXPO13
  • FADO8
  • FANO7
  • FARO7
  • FICO9
  • FIDO8
  • FIGO8
  • FILO7
  • FINO7
  • GAJO12
  • GAPO7
  • GIRO5
  • GOBO7
  • GOGO6
  • GYNO8
  • GYPO10
  • GYRO8
  • HALO7
  • HARO7
  • HELO7
  • HERO7
  • HOBO9
  • HOLO7
  • HOMO9
  • HUSO7
  • HYPO12
  • INFO7
  • INGO5
  • INRO4
  • INTO4
  • JATO11
  • JIAO11
  • JOCO13
  • JOMO13
  • JUCO13
  • JUDO12
  • KAGO9
  • KARO8
  • KAYO11
  • KENO8
  • KERO8
  • KETO8
  • KILO8
  • KINO8
  • KOBO10
  • KOLO8
  • KORO8
  • KOTO8
  • KUDO9
  • KYBO13
  • LAZO13
  • LENO4
  • LEVO7
  • LIDO5
  • LILO4
  • LIMO6
  • LINO4
  • LIPO6
  • LOBO6
  • LOCO6
  • LOGO5
  • LOTO4
  • LUDO5
  • MAKO10
  • MANO6
  • MAYO9
  • MEMO8
  • MENO6
  • MICO8
  • MILO6
  • MINO6
  • MIRO6
  • MISO6
  • MOFO9
  • MOHO9
  • MOJO13
  • MOKO10
  • MONO6
  • MOZO15
  • MUSO6
  • MYXO16
  • NANO4
  • NOLO4
  • ODSO5
  • OLEO4
  • OLIO4
  • ONTO4
  • OPPO8
  • ORDO5
  • ORZO13
  • OTTO4
  • OUZO13
  • PACO8
  • PEPO8
  • PESO6
  • PHEO9
  • PISO6
  • POCO8
  • POGO7
  • POLO6
  • POMO8
  • PRAO6
  • PROO6
  • PYRO9
  • RATO4
  • REDO5
  • REGO5
  • RENO4
  • REPO6
  • RIVO7
  • ROTO4
  • SADO5
  • SAGO5
  • SECO6
  • SEGO5
  • SHMO9
  • SHOO7
  • SIJO11
  • SILO4
  • SKEO8
  • SKIO8
  • SOHO7
  • SOLO4
  • SUMO6
  • SYBO9
  • TACO6
  • TARO4
  • THIO7
  • THRO7
  • TIRO4
  • TOCO6
  • TOHO7
  • TOKO8
  • TOMO6
  • TOPO6
  • TORO4
  • TOYO7
  • TRIO4
  • TYPO9
  • TYRO7
  • UMBO8
  • UNCO6
  • UNDO5
  • UNTO4
  • UPDO7
  • UPGO7
  • URAO4
  • VEGO8
  • VETO7
  • VINO7
  • VIVO10
  • WERO7
  • WHIO10
  • WINO7
  • YEBO9
  • YUKO11
  • ZERO13
  • ZOBO15
Letters by positionIn 22% of these words the 2nd letter is O.
1st letter
  1. M8%
  2. A7%
  3. T7%
2nd letter
  1. O22%
  2. I15%
  3. E13%
3rd letter
  1. R13%
  2. C8%
  3. N8%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses
Score spreadMost of these words score 6 in Scrabble; DZHO tops the list with 17. Scores before board bonuses.
  1. 44 points: 29 words
  2. 5 points: 21 words
  3. 66 points: 44 words
  4. 7 points: 36 words
  5. 88 points: 35 words
  6. 9 points: 20 words
  7. 1010 points: 7 words
  8. 11 points: 5 words
  9. 1212 points: 4 words
  10. 13 points: 10 words
  11. 1414 points: 0 words
  12. 15 points: 3 words
  13. 1616 points: 1 words
  14. 17 points: 1 words
WordScrabbleWords With FriendsDictionaries
DZHO1716Collins only
MYXO1616Collins only
BOZO1516All three
MOZO1516All three
ZOBO1516Collins only
ZERO1313All three
EXPO1314All three
MOJO1316All three
JOMO1316Collins only
LAZO1314Collins only
JUCO1317Collins · NWL
OUZO1314All three

The ending is fixed, but the first three letters give you plenty of ways to narrow the search. Familiar options include INTO, ONTO, SOLO, and LOGO; less everyday entries include DZHO and MYXO. Of the 216 words, 48 meet Word Puzzle Answers’s common-word frequency cutoff, so a short list of recognizable choices sits inside a much larger tournament-dictionary set.

What stands out among four-letter O endings

  • The combined tournament-dictionary list contains 216 four-letter words ending in O.
  • ALSO, INTO, ONTO, HERO, and ZERO are familiar starting points.
  • M is the most frequent first letter, with 18 matching words.
  • There are 48 common entries among the 216 matches.
  • DZHO leads the listed high scorers at 17 points.

How many 4-letter words end in O?

There are 216 four-letter words ending in O across the combined dictionary set. The most common starting letter is M, with 18 entries; A follows with 16, while T has 15.

B, D, K, and S each start 14 of these words. That spread means you should not assume the list is dominated by one opening letter: M leads, but only by four words over B, D, K, or S.

For everyday play, try ALSO, INTO, ONTO, HERO, ZERO, SOLO, INFO, or AUTO first. The list also includes compact choices such as TRIO, MEMO, POLO, and VETO.

Which O-ending words appear across dictionaries?

Dictionary coverage changes the size of your usable set: Collins includes 206 matches, NWL2023 includes 158, and ENABLE includes 131. Those source counts overlap, so they should not be added together.

A word appearing in one tournament list is not guaranteed in another. Familiar examples such as EURO, DEMO, ECHO, and UNTO are easier to recognize than the full tournament vocabulary, but always check the word list used by your game when a play depends on acceptance.

The common group is the safer starting point here: 48 entries, including ALSO, AUTO, HALO, and TACO, are everyday words. The rest are tournament vocabulary, which is why a familiar option usually beats a rarer, higher-scoring one.

How should you choose 4-letter words ending in O?

For score hunting, DZHO is the standout at 17 points, followed by MYXO at 16. BOZO, MOZO, and ZOBO each score 15, while ZERO, EXPO, and MOJO are listed at 13.

Those high values come from unusual letters, not from how familiar a word looks. The counterintuitive move is to keep the rare entries in mind for a scoring chance, but not to rely on them before confirming your game’s dictionary. A known word such as ZERO scores 13 in the listed values and is easier to spot on a rack.

The average score across the 216 entries is 7.3. When you need a quick fit rather than a high-value play, use the recognizable choices first; when a premium square opens, check the Z- and X-heavy scorers.

Questions people ask

How many four-letter words end in O?
There are 216 four-letter words ending in O across the combined tournament-dictionary set. The opening letters vary: M leads with 18 matches, followed by A with 16 and T with 15. The count includes both familiar words and less common tournament entries.
What is the highest-scoring four-letter word ending in O?
DZHO is the highest-scoring listed four-letter word ending in O, at 17 points. MYXO follows at 16, while BOZO, MOZO, and ZOBO each score 15. Confirm that your game accepts the word before building a play around it.
Which common four-letter words end in O?
Common entries include ALSO, INTO, ONTO, HERO, ZERO, SOLO, and AUTO, part of the 48 words in the common group. Everything else is less familiar tournament vocabulary, so a recognizable option is usually the safer guess.
Which first letter appears most often in four-letter words ending in O?
M appears most often, starting 18 of the four-letter words ending in O. A starts 16, T starts 15, and B, D, K, and S each start 14. M leads, but the counts are spread across several opening letters.

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