10-Letter Words Matching _____OK___

There are 13 10-letter words that match _____OK___. 3 are common words, such as NONSMOKERS and NONSMOKING. A rarer one is SJAMBOKING. In this set, N is the most frequent open letter (11 words). 5 words contain a doubled letter.

Full list 13

nonsmokersnonsmokingprecookingforetokensgadzookeryhokypokieslymphokinemiscookingoutcookingoutsmokingprebookingreinvokingsjamboking

About this list

Words
13 (3 common words)
Common example
nonsmokers
Rare example
sjamboking
Doubled letters
5
Ending in S
3
Most frequent letter
N (11)

Questions

How many 10-letter words matching _____ok___ are there?

13. 3 of them are common words.

What is a common example?

NONSMOKERS is among the common words in this set.