13-Letter Words Matching __O_______C__

There are 20 13-letter words that match __O_______C__. 3 are common words, such as FRONTISPIECES and PROBLEMATICAL. A rarer one is REOCCURRENCES. In this set, E is the most frequent open letter (16 words). 1 words contain a doubled letter.

Full list 20

frontispiecesproblematicalprotuberancesapocalypticalbiomechanicaleconometricalodontologicalphotochemicalphotometricalthoroughpacedbioelectricaldeontologicalexobiologicalinobservancesmyoelectricalphosphorescedphosphorescesphotoproductsproctologicalreoccurrences

About this list

Words
20 (3 common words)
Common example
frontispieces
Rare example
reoccurrences
Doubled letters
1
Ending in S
6
Most frequent letter
E (16)

Questions

How many 13-letter words matching __o_______c__ are there?

20. 3 of them are common words.

What is a common example?

FRONTISPIECES is among the common words in this set.