12-Letter Words Matching ____K_____R_

There are 19 12-letter words that match ____K_____R_. 7 are common words, such as BLACKMAILERS and BLOCKBUSTERS. A rarer one is TRUCKMASTERS. In this set, E is the most frequent open letter (19 words). 4 words contain a doubled letter.

Full list 19

blackmailersblockbusterscheckerboardfrankfurtersquicksilversstockbrokersstockholderscamiknickerscheckerberrydoorknockersstockjobbersblackbirdersblackhandersblacklistersbreakfastersquacksalversstockkeeperstrackwalkerstruckmasters

About this list

Words
19 (7 common words)
Common example
blackmailers
Rare example
truckmasters
Doubled letters
4
Ending in S
17
Most frequent letter
E (19)

Questions

How many 12-letter words matching ____k_____r_ are there?

19. 7 of them are common words.

What is a common example?

BLACKMAILERS is among the common words in this set.