6-letter words with I as the 2nd letter and O as the 3rd letter
6-letter words with I as the 2nd letter and O as the 3rd letter: 46 tournament-dictionary matches, including VIOLET, VIOLIN, and DIOXID.
4 of 46 are everyday words (9%). Mostly rare words: great for Scrabble, tough for daily puzzles.
With I in 2nd place, N is the most common 3rd letter (344 words). The bar under each letter shows the size of its list.
Best words to play first
- VIOLET9
- LIONEL6
- VIOLIN9
- BIOPSY13
- BIOPIC12
- BIONIC10
- DIODES8
- KIOSKS14
- BIOTIC10
- BIOGAS9
- BIOTIN8
- BIOMES10
- RIOTED7
- DIOXIN14
- VIOLAS9
- RIOTER6
- BIOGEN9
- FIORDS10
- MIOSIS8
- MIOMBO12
- RIOJAS13
- PIOLET8
- MIOTIC10
- FIORIN9
- LIONET6
- AIOLIS6
- PIONER8
- DIOXID15
- NIOBIC10
- VIOLER9
- DIOXAN14
- BIODOT9
- BIONTS8
- BIOTAS8
- DIOBOL9
- DIOECY12
- DIOTAS7
- LIONLY9
- MIOSES8
- PIONED9
- PIONEY11
- PIONIC10
- PIOPIO10
- PIOTED9
- PIOYES11
- RIOTRY9
All valid words 46
- AIOLIS6
- BIODOT9
- BIOGAS9
- BIOGEN9
- BIOMES10
- BIONIC10
- BIONTS8
- BIOPIC12
- BIOPSY13
- BIOTAS8
- BIOTIC10
- BIOTIN8
- DIOBOL9
- DIODES8
- DIOECY12
- DIOTAS7
- DIOXAN14
- DIOXID15
- DIOXIN14
- FIORDS10
- FIORIN9
- KIOSKS14
- LIONEL6
- LIONET6
- LIONLY9
- MIOMBO12
- MIOSES8
- MIOSIS8
- MIOTIC10
- NIOBIC10
- PIOLET8
- PIONED9
- PIONER8
- PIONEY11
- PIONIC10
- PIOPIO10
- PIOTED9
- PIOYES11
- RIOJAS13
- RIOTED7
- RIOTER6
- RIOTRY9
- VIOLAS9
- VIOLER9
- VIOLET9
- VIOLIN9
Highest-scoring words
| Word | Scrabble | Words With Friends | Dictionaries |
|---|---|---|---|
| DIOXID | 15 | 15 | All three |
| KIOSKS | 14 | 14 | All three |
| DIOXIN | 14 | 15 | All three |
| DIOXAN | 14 | 15 | All three |
| BIOPSY | 13 | 14 | All three |
| RIOJAS | 13 | 15 | All three |
| BIOPIC | 12 | 15 | All three |
| MIOMBO | 12 | 15 | Collins only |
| DIOECY | 12 | 12 | All three |
| PIONEY | 11 | 12 | Collins only |
| PIOYES | 11 | 11 | Collins only |
| BIONIC | 10 | 13 | All three |
The fixed pattern is _ I O _ _ _, and the opening consonant changes the feel of the word: B begins 11 matches, while P begins 8. VIOLET and VIOLIN are recognizable examples; DIOXID and MIO MBO are less familiar entries. Only 4 matches rank among the most common English words, so expect a mix of everyday and specialist vocabulary.
At a glance: the I-O pattern
- Collins accepts all 46 matches; ENABLE and NWL2023 each accept 31.
- B is the leading first letter with 11 words, followed by P with 8 and D with 7.
- S is the most frequent ending: 14 words finish with S.
- The list has 33 entries with definitions and an average tile score of 9.6.
Which six-letter words have I and O in these positions?
VIOLET, VIOLIN, BIOPSY, BIOPIC, and BIONIC show how the same middle pair supports very different beginnings. DIODES and KIOSKS are two more familiar shapes, while BIOTIC, BIOGAS, and BIOTIN extend the B-heavy group.
The pattern is comparatively narrow: I-O has 46 matches, while six-letter words with I second and N third have 344. Keep the fixed letters in place, then test the first and final letters; the ending counts make S a strong place to start.
6-letter words with I as 2nd and O as 3rd letter
DIOXID leads the Scrabble scores at 15 points. KIOSKS, DIOXIN, and DIOXAN each score 14, while BIOPSY and RIOJAS score 13. Those less familiar spellings can reward a player who spots the unusual X or high-value letters.
Dictionary coverage matters more than the shared pattern: Collins includes 15 more matches than NWL2023 or ENABLE. The four common words are a small slice of the full set, so check your game's word list before relying on a rarer entry.
Questions people ask
How many six-letter words have I second and O third?
What is the highest-scoring I-O word in this pattern?
Which letter most often ends these six-letter words?
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