12-Letter Words Matching ______O__N__

There are 43 12-letter words that match ______O__N__. 9 are common words, such as CARCINOGENIC and CLAIRVOYANCE. A rarer one is THROMBOXANES. In this set, I is the most frequent open letter (37 words). 5 words contain a doubled letter.

Full list 43

Common words

carcinogenicclairvoyanceclairvoyantsexpectorantsforthcomingspawnbrokingsquestioningsshortcomingswainscotingsalphitomancyarithmomancyballetomanes
carcinogenicclairvoyanceclairvoyantsexpectorantsforthcomingspawnbrokingsquestioningsshortcomingswainscotingsalphitomancyarithmomancyballetomanescyprinodontsdecalcomaniadisallowanceelectrotonushysterogenicinsomnolenceornithomancyprolegomenonquattrocentosubabdominalantiozonantsantiviolenceballetomaniabronchogeniccyclazocinesdiabetogenicearthmovingselectrogenicelectrotonicerythrosinesinconsonanceinterrobangsleukemogeniclongshoringsmarathoningspaleobotanicpancytopeniapentazocinessphingosinestheobrominesthromboxanes

About this list

Words
43 (9 common words)
Common example
carcinogenic
Rare example
thromboxanes
Doubled letters
5
Ending in S
21
Most frequent letter
I (37)

Questions

How many 12-letter words matching ______o__n__ are there?

43. 9 of them are common words.

What is a common example?

CARCINOGENIC is among the common words in this set.