10-Letter Words Matching ___OK_____

There are 12 10-letter words that match ___OK_____. 5 are common words, such as BETOKENING and CROOKEDEST. A rarer one is SPOOKERIES. In this set, S is the most frequent open letter (11 words). 9 words contain a doubled letter.

Full list 12

betokeningcrookedestcrookneckssnookeringspookinessbrooklimesbrookweedscrookbackscrookeriescytokininshexokinasespookeries

About this list

Words
12 (5 common words)
Common example
betokening
Rare example
spookeries
Doubled letters
9
Ending in S
8
Most frequent letter
S (11)

Questions

How many 10-letter words matching ___ok_____ are there?

12. 5 of them are common words.

What is a common example?

BETOKENING is among the common words in this set.