15-Letter Words Matching C_______L______

There are 20 15-letter words that match C_______L______. 3 are common words, such as CARDIOPULMONARY and CONGRATULATIONS. A rarer one is CYTOMEGALOVIRUS. In this set, N is the most frequent open letter (18 words). 11 words contain a doubled letter.

Full list 20

cardiopulmonarycongratulationscounterclaimingcircumvallatingcircumvolutionscongenialnessescontravallationconvolvulaceouscounterclaimantcounterplottingcryptanalyticalchangefulnesseschorioallantoicchorioallantoiscircumvallationcomptrollershipcorporealnessescounterblockadecrestfallennesscytomegalovirus

About this list

Words
20 (3 common words)
Common example
cardiopulmonary
Rare example
cytomegalovirus
Doubled letters
11
Ending in S
9
Most frequent letter
N (18)

Questions

How many 15-letter words matching c_______l______ are there?

20. 3 of them are common words.

What is a common example?

CARDIOPULMONARY is among the common words in this set.