14-Letter Words Matching ________R____C

There are 14 14-letter words that match ________R____C. 3 are common words, such as AUTOBIOGRAPHIC and CHARACTERISTIC. A rarer one is ULTRAPATRIOTIC. In this set, I is the most frequent open letter (14 words). 4 words contain a doubled letter.

Full list 14

autobiographiccharacteristichypoallergenicspectrographicsuperpatrioticantiallergenicarteriographicextraembryonicheterokaryotichyperenergeticmetallographicoscillographicultraenergeticultrapatriotic

About this list

Words
14 (3 common words)
Common example
autobiographic
Rare example
ultrapatriotic
Doubled letters
4
Ending in S
0
Most frequent letter
I (14)

Questions

How many 14-letter words matching ________r____c are there?

14. 3 of them are common words.

What is a common example?

AUTOBIOGRAPHIC is among the common words in this set.