15-Letter Words Matching ____R__C_______

There are 21 15-letter words that match ____R__C_______. 6 are common words, such as ATHEROSCLEROSES and ATHEROSCLEROSIS. A rarer one is SUPERENCIPHERED. In this set, I is the most frequent open letter (20 words). 7 words contain a doubled letter.

Full list 21

atherosclerosesatherosclerosisimperfectnessesincorrectnessesinsurrectionistnonprescriptionatheroscleroticdisarticulatinginsurrectionaryproprioceptionsresurrectionismresurrectionistsuperficialnessdisarticulationhyperexcitementhyperexcretionshypersecretionsinterlacustrineinternucleotidemisarticulatingsuperenciphered

About this list

Words
21 (6 common words)
Common example
atheroscleroses
Rare example
superenciphered
Doubled letters
7
Ending in S
8
Most frequent letter
I (20)

Questions

How many 15-letter words matching ____r__c_______ are there?

21. 6 of them are common words.

What is a common example?

ATHEROSCLEROSES is among the common words in this set.