10-Letter Words Matching ___K___R__

There are 20 10-letter words that match ___K___R__. 5 are common words, such as BACKBOARDS and BOOKSTORES. A rarer one is TACKBOARDS. 3 words contain a doubled letter.

Full list 20

backboardsbookstoresbuckboardshucksteredkookaburrabackswordsbuckthornschokeberrycockalorumdickybirdsduckboardshackamoresleukodermasnakebirdsspikenardsbackcourtscorkboardskickboardspackboardstackboards

About this list

Words
20 (5 common words)
Common example
backboards
Rare example
tackboards
Doubled letters
3
Ending in S
15

Questions

How many 10-letter words matching ___k___r__ are there?

20. 5 of them are common words.

What is a common example?

BACKBOARDS is among the common words in this set.