12-Letter Words Matching C_____O_____

There are 68 12-letter words that match C_____O_____. 28 are common words, such as CARCINOGENIC and CHAMPIONSHIP. A rarer one is CYCLAZOCINES. In this set, R is the most frequent open letter (50 words). 19 words contain a doubled letter.

Full list 68

Common words

carcinogenicchampionshipchaperonagescharbroilingchiropodistsclairvoyanceclairvoyantsclosemouthedcollaboratedcollaboratescollaboratorcommemorated
carcinogenicchampionshipchaperonagescharbroilingchiropodistsclairvoyanceclairvoyantsclosemouthedcollaboratedcollaboratescollaboratorcommemoratedcommemoratescommemoratorcomptrollerscorespondentcorroboratedcorroboratescorroboratorcosmogonistscosmologicalcosmologistscosmopolitancrapshooterscreationismscreationistscrematoriumscurrycombingcarillonneurcataphoresescataphoresiscephalometerchaulmoograschemisorbingchrestomathyclimatologiccoldshouldercollywobblesconidiophoreconscionablecontraoctavecosmogonicalcosmopolitescyprinodontscalypsonianscarillonningcarryforwardcatadioptriccataphoreticcellulolyticcentimorganscephalometrycephalothinscerebrosidescharbroilerschondroitinscleistogamiccoauthorshipcodiscoveredcodiscoverercohesionlessconveyorisedconveyorisesconveyorizedconveyorizescosmopolisescrocidolitescyclazocines

About this list

Words
68 (28 common words)
Common example
carcinogenic
Rare example
cyclazocines
Doubled letters
19
Ending in S
31
Most frequent letter
R (50)

Questions

How many 12-letter words matching c_____o_____ are there?

68. 28 of them are common words.

What is a common example?

CARCINOGENIC is among the common words in this set.