9-Letter Words Matching __IO_____

There are 45 9-letter words that match __IO_____. 9 are common words, such as AXIOMATIC and ETIOLOGIC. A rarer one is UNIONISES. In this set, I is the most frequent open letter (31 words). 1 words contain a doubled letter.

Full list 45

Common words

axiomaticetiologicidiomaticmaiolicasonionskinunionismsunionistsunionizedunionizesagiotagesbriolettedeionized
axiomaticetiologicidiomaticmaiolicasonionskinunionismsunionistsunionizedunionizesagiotagesbriolettedeionizedetiolatedetiolatesidioblastidiocrasyidiolectsidiopathyidiophoneidioplasmpriorshipsciomachysciomancytrioxidesuniocularunionizerabiogenicdeionizerdeionizeseriophyididioticalidiotismspliotronsprioratessciolismssciolistsskioringsthionatesthioninesthiophenethiophensthiotepasthioureasunionisedunionises

About this list

Words
45 (9 common words)
Common example
axiomatic
Rare example
unionises
Doubled letters
1
Ending in S
21
Most frequent letter
I (31)

Questions

How many 9-letter words matching __io_____ are there?

45. 9 of them are common words.

What is a common example?

AXIOMATIC is among the common words in this set.