15-Letter Words Matching __C__C_________

There are 17 15-letter words that match __C__C_________. 2 are common words, such as BACKSCRATCHINGS and RECONCILIATIONS. A rarer one is UNCONCERNEDNESS. In this set, I is the most frequent open letter (16 words). 5 words contain a doubled letter.

Full list 17

backscratchingsreconciliationsdecalcificationincalculabilitymacrocosmicallymicrocosmicallyrecalcitranciesreconcilabilitybackscatteringsdeconcentratingdeconcentrationreconcentratingreconcentrationreconceptualizesocioculturallyuncircumcisionsunconcernedness

About this list

Words
17 (2 common words)
Common example
backscratchings
Rare example
unconcernedness
Doubled letters
5
Ending in S
6
Most frequent letter
I (16)

Questions

How many 15-letter words matching __c__c_________ are there?

17. 2 of them are common words.

What is a common example?

BACKSCRATCHINGS is among the common words in this set.