10-Letter Words Matching ____H_M___

There are 17 10-letter words that match ____H_M___. 4 are common words, such as BIOCHEMIST and JACKHAMMER. A rarer one is XANTHOMATA. In this set, E is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 17

biochemistjackhammerlymphomataposthumousbedchamberbushhammerdysphemismgeochemistgraphemicstriphammeralightmentanathemataclawhammermorphemicsoutshamingreichsmarkxanthomata

About this list

Words
17 (4 common words)
Common example
biochemist
Rare example
xanthomata
Doubled letters
4
Ending in S
3
Most frequent letter
E (13)

Questions

How many 10-letter words matching ____h_m___ are there?

17. 4 of them are common words.

What is a common example?

BIOCHEMIST is among the common words in this set.