15-Letter Words Matching C________R_____

There are 17 15-letter words that match C________R_____. 3 are common words, such as CHANCELLORSHIPS and CINEMATOGRAPHER. A rarer one is COUNTERSTRATEGY. In this set, O is the most frequent open letter (16 words). 8 words contain a doubled letter.

Full list 17

chancellorshipscinematographercinematographicchromatographicchurrigueresquecontrollershipscountercurrentscounterirritantcountermarchingcrossopterygiancarcinosarcomaschromatographedchromatographerchronotherapiescombinatoriallycouncillorshipscounterstrategy

About this list

Words
17 (3 common words)
Common example
chancellorships
Rare example
counterstrategy
Doubled letters
8
Ending in S
6
Most frequent letter
O (16)

Questions

How many 15-letter words matching c________r_____ are there?

17. 3 of them are common words.

What is a common example?

CHANCELLORSHIPS is among the common words in this set.