7-Letter Words Matching ___R__C

There are 12 7-letter words that match ___R__C. 1 are common words, such as ACERBIC and GEORGIC. A rarer one is ZEBRAIC. In this set, I is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 12

acerbicgeorgicpyrrhicquarticspermicthermicanergicchoreicdharmicmyrrhictheriaczebraic

About this list

Words
12 (1 common words)
Common example
acerbic
Rare example
zebraic
Doubled letters
2
Ending in S
0
Most frequent letter
I (12)

Questions

How many 7-letter words matching ___r__c are there?

12. 1 of them are common words.

What is a common example?

ACERBIC is among the common words in this set.