6-letter words with I as the 3rd letter and O as the 4th letter
6-letter words with I as the 3rd letter and O as the 4th letter: 34 tournament-dictionary matches, from unions to idiocy.
4 of 34 are everyday words (12%). A mix of familiar words and game-only finds.
With I in 3rd place, N is the most common 4th letter (250 words). The bar under each letter shows the size of its list.
Best words to play first
- UNIONS6
- IDIOTS7
- ONIONS6
- OPIOID9
- PRIORY11
- IDIOCY12
- AXIOMS15
- IDIOMS9
- ODIOUS7
- PRIORS8
- ANIONS6
- ORIOLE6
- GLIOMA9
- SCIONS8
- TRIODE7
- PRIONS8
- BRIONY11
- THIOLS9
- GRIOTS7
- ONIONY9
- AXIONS13
- ARIOSO6
- AZIONE15
- OTIOSE6
- AVIONS9
- PSIONS8
- PAIOCK14
- APIOLS8
- ARIOSE6
- ARIOSI6
- INIONS6
- TRIOLS6
- TRIORS6
- TRIOSE6
All valid words 34
- ANIONS6
- APIOLS8
- ARIOSE6
- ARIOSI6
- ARIOSO6
- AVIONS9
- AXIOMS15
- AXIONS13
- AZIONE15
- BRIONY11
- GLIOMA9
- GRIOTS7
- IDIOCY12
- IDIOMS9
- IDIOTS7
- INIONS6
- ODIOUS7
- ONIONS6
- ONIONY9
- OPIOID9
- ORIOLE6
- OTIOSE6
- PAIOCK14
- PRIONS8
- PRIORS8
- PRIORY11
- PSIONS8
- SCIONS8
- THIOLS9
- TRIODE7
- TRIOLS6
- TRIORS6
- TRIOSE6
- UNIONS6
Highest-scoring words
| Word | Scrabble | Words With Friends | Dictionaries |
|---|---|---|---|
| AXIOMS | 15 | 16 | All three |
| AZIONE | 15 | 16 | Collins only |
| PAIOCK | 14 | 16 | Collins only |
| AXIONS | 13 | 14 | All three |
| IDIOCY | 12 | 12 | All three |
| PRIORY | 11 | 11 | All three |
| BRIONY | 11 | 12 | All three |
| OPIOID | 9 | 10 | All three |
| IDIOMS | 9 | 10 | All three |
| GLIOMA | 9 | 12 | All three |
| THIOLS | 9 | 9 | All three |
| ONIONY | 9 | 10 | All three |
The pattern is _ _ I O _ _, a narrow search that rules out many familiar six-letter words straight away. Only four of its 34 entries rank among the most common English words. That makes recognizable options such as ONIONS and UNIONS easier to spot, while less familiar forms may need a dictionary check before a word-game play.
What stands out in the I-O pattern
- The fixed letters leave 34 six-letter matches across tournament dictionaries.
- S is the final letter in 19 matches; E comes next with six.
- A leads the opening letters with nine matches, ahead of O with six.
- AXIOMS and AZIONE tie for the top score at 15 points.
How do 6-letter words with I third and O fourth begin and end?
A is the most common first letter: examples include ANIONS, AXIOMS, AXIONS and AZIONE. O starts six words, including ONIONS and ORIOLE, while P and T each start five. The variety at the front gives you several ways to test a pattern without changing its fixed middle letters.
The ending is much less balanced. Nineteen matches finish in S, including UNIONS, IDIOTS, IDIOMS and SCIONS; six finish in E.
Four end in Y, such as IDIOCY and PRIORY. If your final tile is S, try that ending first; an E or Y narrows the search quickly.
Which 6-letter words with I third and O fourth score well?
AXIOMS and AZIONE lead the scores at 15 points apiece. AXIONS follows at 13, and IDIOCY scores 12. AXIOMS is the more familiar high-value candidate; its X supplies much of the punch, so save it for a premium square when the board allows.
The score leaders are not all everyday plays: AZIONE and PAIock are less familiar than ONIONS or UNIONS. Dictionary coverage also differs: Collins includes 34 matches, compared with 29 in NWL2023 and 28 in ENABLE. Check your game's word list before committing to an unfamiliar entry.
Questions people ask
How many six-letter words have I as the third letter and O as the fourth?
Which word in this pattern scores the most?
Which first letter covers the most matches?
Keep going
Related lists
Know some letters already?
Put greens, yellows and greys into the Finder and get only the words that fit.