15-Letter Words Matching ________C_O____

There are 19 15-letter words that match ________C_O____. 3 are common words, such as INCONSPICUOUSLY and PERSPICACIOUSLY. A rarer one is THYROIDECTOMIES. In this set, S is the most frequent open letter (18 words). 3 words contain a doubled letter.

Full list 19

inconspicuouslyperspicaciouslytonsillectomiesadenoidectomiescontradictorilymastoidectomiesmetempsychosistpaleopsychologypneumonectomiesprostatectomiessalpingectomiesadrenalectomiesantiforeclosurecontradictoriesinefficaciouslyneuropsychologysuccinylcholinesympathectomiesthyroidectomies

About this list

Words
19 (3 common words)
Common example
inconspicuously
Rare example
thyroidectomies
Doubled letters
3
Ending in S
10
Most frequent letter
S (18)

Questions

How many 15-letter words matching ________c_o____ are there?

19. 3 of them are common words.

What is a common example?

INCONSPICUOUSLY is among the common words in this set.