7-Letter Words Matching ___L__C

There are 13 7-letter words that match ___L__C. 4 are common words, such as IDYLLIC and MOLLUSC. A rarer one is SCALDIC. In this set, I is the most frequent open letter (11 words). 5 words contain a doubled letter.

Full list 13

idyllicmolluscphallicshellacnucleicmyalgicskaldicthalliccoeliacdiploicotalgicpsalmicscaldic

About this list

Words
13 (4 common words)
Common example
idyllic
Rare example
scaldic
Doubled letters
5
Ending in S
0
Most frequent letter
I (11)

Questions

How many 7-letter words matching ___l__c are there?

13. 4 of them are common words.

What is a common example?

IDYLLIC is among the common words in this set.