4-Letter Words Matching _I_N

There are 18 4-letter words that match _I_N. 7 are common words, such as JINN and KILN. A rarer one is PIAN. 2 words contain a doubled letter.

Full list 18

jinnkilnlienlimnlionmiensigncionfirnlinnpionpirnairngiengirnhisnkirnpian

About this list

Words
18 (7 common words)
Common example
jinn
Rare example
pian
Doubled letters
2
Ending in S
0

Questions

How many 4-letter words matching _i_n are there?

18. 7 of them are common words.

What is a common example?

JINN is among the common words in this set.