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.

46 wordsTop pick VIOLETHighest score DIOXID 15

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.

  • Length
  • 3
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  • 5
  • 6
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  • 8
  • 9
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  • 11
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  • 14
  • 15

Best words to play first 46 · most-used 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

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

  • 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
Letters by positionIn 35% of these words the 5th letter is E.
1st letter
  1. B24%
  2. P17%
  3. D15%
4th letter
  1. N20%
  2. T20%
  3. L13%
5th letter
  1. E35%
  2. I30%
  3. A13%
6th letter
  1. S30%
  2. N13%
  3. C13%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses
Score spreadMost of these words score 9 in Scrabble; DIOXID tops the list with 15. Scores before board bonuses.
  1. 66 points: 4 words
  2. 7 points: 2 words
  3. 88 points: 8 words
  4. 9 points: 13 words
  5. 1010 points: 8 words
  6. 11 points: 2 words
  7. 1212 points: 3 words
  8. 13 points: 2 words
  9. 1414 points: 3 words
  10. 15 points: 1 words
WordScrabbleWords With FriendsDictionaries
DIOXID1515All three
KIOSKS1414All three
DIOXIN1415All three
DIOXAN1415All three
BIOPSY1314All three
RIOJAS1315All three
BIOPIC1215All three
MIOMBO1215Collins only
DIOECY1212All three
PIONEY1112Collins only
PIOYES1111Collins only
BIONIC1013All 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?
There are 46 six-letter matches in Collins, and 31 in each of ENABLE and NWL2023. Examples include VIOLET, VIOLIN, BIOPSY, and DIOXIN. The difference between dictionaries means a word accepted in one game may not be playable in another.
What is the highest-scoring I-O word in this pattern?
DIOXID is the top scorer at 15 points. KIOSKS, DIOXIN, and DIOXAN follow at 14 points each. The X gives these words a scoring edge, but the best play still depends on the board square and which dictionary your game uses.
Which letter most often ends these six-letter words?
S is the most common final letter, ending 14 of the 46 matches. C and N each end 6, while Y ends 5. Try S first when the final position is open, then test C or N if the board blocks it.

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