12-Letter Words Matching H________M__

There are 16 12-letter words that match H________M__. 5 are common words, such as HIPPOPOTAMUS and HYDRODYNAMIC. A rarer one is HYPOCALCEMIC. In this set, I is the most frequent open letter (14 words). 2 words contain a doubled letter.

Full list 16

hippopotamushydrodynamichypoglycemiahypoglycemichypothalamushydrothermalhyperthermiahypothalamicharvesttimeshomeothermichyperendemichyperlipemiahyperlipemichyperthermichypocalcemiahypocalcemic

About this list

Words
16 (5 common words)
Common example
hippopotamus
Rare example
hypocalcemic
Doubled letters
2
Ending in S
3
Most frequent letter
I (14)

Questions

How many 12-letter words matching h________m__ are there?

16. 5 of them are common words.

What is a common example?

HIPPOPOTAMUS is among the common words in this set.