12-Letter Words Matching ____C___C___

There are 16 12-letter words that match ____C___C___. 8 are common words, such as DEFICIENCIES and EFFICIENCIES. A rarer one is SWITCHBACKED. In this set, E is the most frequent open letter (15 words). 3 words contain a doubled letter.

Full list 16

deficienciesefficienciesepiscopaciesexpectanciesinaccuraciesmegachurchesovercapacitytrenchanciesbronchoscopebronchoscopyarticulaciesimmaculaciespyrocatecholreluctanciesreticulocyteswitchbacked

About this list

Words
16 (8 common words)
Common example
deficiencies
Rare example
switchbacked
Doubled letters
3
Ending in S
10
Most frequent letter
E (15)

Questions

How many 12-letter words matching ____c___c___ are there?

16. 8 of them are common words.

What is a common example?

DEFICIENCIES is among the common words in this set.