11-Letter Words Matching ____H_M____

There are 23 11-letter words that match ____H_M____. 5 are common words, such as BIOCHEMICAL and BIOCHEMISTS. A rarer one is TRICHOMONAL. 3 words contain a doubled letter.

Full list 23

biochemicalbiochemistsjackhammersunashamedlybedchambersgeochemicalgoodhumoredgraphomotorpsychomancypsychometrypsychomotorstichometrytrichomonadtriphammersalightmentsdysphemismsgeochemistsmorphometrynonchemicalreichsmarksstichomythytrichomonalnymphomania

About this list

Words
23 (5 common words)
Common example
biochemical
Rare example
trichomonal
Doubled letters
3
Ending in S
8

Questions

How many 11-letter words matching ____h_m____ are there?

23. 5 of them are common words.

What is a common example?

BIOCHEMICAL is among the common words in this set.