9-Letter Words Matching _____U_K_

There are 12 9-letter words that match _____U_K_. 2 are common words, such as CHIPMUNKS and MEGABUCKS. A rarer one is REEDBUCKS. In this set, S is the most frequent open letter (11 words). 2 words contain a doubled letter.

Full list 12

chipmunksmegabucksbushbuckscornhusksshelducksblesbuckschipmucksgemsbuckskerplunksmoonquakemucklucksreedbucks

About this list

Words
12 (2 common words)
Common example
chipmunks
Rare example
reedbucks
Doubled letters
2
Ending in S
11
Most frequent letter
S (11)

Questions

How many 9-letter words matching _____u_k_ are there?

12. 2 of them are common words.

What is a common example?

CHIPMUNKS is among the common words in this set.