8-Letter Words Matching ____B__M

There are 12 8-letter words that match ____B__M. 2 are common words, such as CEREBRUM and MOONBEAM. A rarer one is SNOBBISM. In this set, E is the most frequent open letter (9 words). 3 words contain a doubled letter.

Full list 12

cerebrummoonbeamdelubrumhornbeamjeroboamplumbismaerobiumforeboomnabobismperiblemrehoboamsnobbism

About this list

Words
12 (2 common words)
Common example
cerebrum
Rare example
snobbism
Doubled letters
3
Ending in S
0
Most frequent letter
E (9)

Questions

How many 8-letter words matching ____b__m are there?

12. 2 of them are common words.

What is a common example?

CEREBRUM is among the common words in this set.