11-Letter Words Matching H_________M

There are 12 11-letter words that match H_________M. 2 are common words, such as HOOLIGANISM and HUCKSTERISM. A rarer one is HORMOGONIUM. 1 words contain a doubled letter.

Full list 12

hooliganismhucksterismhermeticismhesperidiumhighbrowismhistoricismhistrionismhydrargyrumhyperbolismheteroecismhomoiothermhormogonium

About this list

Words
12 (2 common words)
Common example
hooliganism
Rare example
hormogonium
Doubled letters
1
Ending in S
0

Questions

How many 11-letter words matching h_________m are there?

12. 2 of them are common words.

What is a common example?

HOOLIGANISM is among the common words in this set.