12-Letter Words Matching _____O____O_

There are 29 12-letter words that match _____O____O_. 10 are common words, such as AMELIORATION and CHIAROSCUROS. A rarer one is PSEUDORANDOM. In this set, N is the most frequent open letter (25 words). 3 words contain a doubled letter.

Full list 29

Common words

ameliorationchiaroscurosecholocationequivocationfluorocarboninvigorationirresolutionmisquotationreallocationredecorationautorotationexteroceptor
ameliorationchiaroscurosecholocationequivocationfluorocarboninvigorationirresolutionmisquotationreallocationredecorationautorotationexteroceptorinteroceptorlevorotationreabsorptionreimpositionrhombohedronstereopticonstratovisionthermosiphonconglobationheterokaryonhomologationhymenopteronlabanotationpostpositionpostworkshoppreprocessorpseudorandom

About this list

Words
29 (10 common words)
Common example
amelioration
Rare example
pseudorandom
Doubled letters
3
Ending in S
1
Most frequent letter
N (25)

Questions

How many 12-letter words matching _____o____o_ are there?

29. 10 of them are common words.

What is a common example?

AMELIORATION is among the common words in this set.