13-Letter Words Matching ________R___C

There are 27 13-letter words that match ________R___C. 4 are common words, such as IDIOSYNCRATIC and NONDEMOCRATIC. A rarer one is TRANSTHORACIC. In this set, I is the most frequent open letter (27 words). 3 words contain a doubled letter.

Full list 27

Common words

idiosyncraticnondemocraticphilanthropicschizophrenicactinomorphicapheliotropicconglomeraticgerontocraticheteromorphicisoelectronicprodemocratictheriomorphic
idiosyncraticnondemocraticphilanthropicschizophrenicactinomorphicapheliotropicconglomeraticgerontocraticheteromorphicisoelectronicprodemocratictheriomorphicallelomorphicanisometropicantiarthriticdysmenorrheicgranodioritichypermetropicintrathoraciciontophoreticmyelofibroticnonelectronicpantisocraticpolycistronicpseudomorphicsuperterrifictransthoracic

About this list

Words
27 (4 common words)
Common example
idiosyncratic
Rare example
transthoracic
Doubled letters
3
Ending in S
0
Most frequent letter
I (27)

Questions

How many 13-letter words matching ________r___c are there?

27. 4 of them are common words.

What is a common example?

IDIOSYNCRATIC is among the common words in this set.