11-Letter Words Matching ________OK_

There are 12 11-letter words that match ________OK_. 4 are common words, such as DONNYBROOKS and POCKETBOOKS. A rarer one is SOURCEBOOKS. 10 words contain a doubled letter.

Full list 12

donnybrookspocketbooksschoolbookstenterhooksbrushstrokebuttonhookscoursebooksphrasebookspromptbookssketchbookshalterbrokesourcebooks

About this list

Words
12 (4 common words)
Common example
donnybrooks
Rare example
sourcebooks
Doubled letters
10
Ending in S
10

Questions

How many 11-letter words matching ________ok_ are there?

12. 4 of them are common words.

What is a common example?

DONNYBROOKS is among the common words in this set.