12-Letter Words Matching ____I_O_____

There are 53 12-letter words that match ____I_O_____. 12 are common words, such as CARCINOGENIC and IMPRISONMENT. A rarer one is SURVIVORSHIP. In this set, E is the most frequent open letter (41 words). 7 words contain a doubled letter.

Full list 53

Common words

carcinogenicimprisonmentkaleidoscopemagniloquentmulticoloredparsimoniouspettifoggerspettifoggerypettifoggingterritorialstestimonialsthalidomides
carcinogenicimprisonmentkaleidoscopemagniloquentmulticoloredparsimoniouspettifoggerspettifoggerypettifoggingterritorialstestimonialsthalidomidesalphitomancyamphibolitesamphicoelouschemisorbingcyprinodontsdeclinometerdensitometerfibrinolysesfibrinolysinfibrinolysisfissirostralimprisonableinclinometermultifoliatemultiformitypantisocracyparticoloredpoikilothermpteridophytesensitometertragicomicalarabinosidescentimorganscrocidolitesdensitometryempoisonmenteudaimonismsfibrinolyticheroicomicaljettisonablemachicolatedmulticoursesmultinomialsmultitoweredmultivoltinepollinosisespteridospermrespirometerrespirometrysensitometrysurvivorship

About this list

Words
53 (12 common words)
Common example
carcinogenic
Rare example
survivorship
Doubled letters
7
Ending in S
17
Most frequent letter
E (41)

Questions

How many 12-letter words matching ____i_o_____ are there?

53. 12 of them are common words.

What is a common example?

CARCINOGENIC is among the common words in this set.