7-Letter Words Matching K_____N

There are 19 7-letter words that match K_____N. 8 are common words, such as KERATIN and KIDSKIN. A rarer one is KLAVERN. In this set, I is the most frequent open letter (13 words). 3 words contain a doubled letter.

Full list 19

keratinkidskinkilotonkingpinkinsmankinsmenkitchenkryptonkamseenkeelsonkhamsinkirkmankneepankremlinkerogenkinetinkipskinkirkmenklavern

About this list

Words
19 (8 common words)
Common example
keratin
Rare example
klavern
Doubled letters
3
Ending in S
0
Most frequent letter
I (13)

Questions

How many 7-letter words matching k_____n are there?

19. 8 of them are common words.

What is a common example?

KERATIN is among the common words in this set.