14-Letter Words Matching H_______R_____

There are 21 14-letter words that match H_______R_____. 4 are common words, such as HEADMISTRESSES and HYDROTHERAPIES. A rarer one is HYPERSECRETION. In this set, E is the most frequent open letter (21 words). 7 words contain a doubled letter.

Full list 21

headmistresseshydrotherapieshypnotherapieshypoallergenichereditarinessheterochromoushypermetropiashypnotherapisthardinggrassesheavyheartedlyheterokaryosesheterokaryosisheterokaryoticheteromorphismhydrothermallyhydroxyprolinehyperawarenesshypercorrectlyhyperenergetichyperexcretionhypersecretion

About this list

Words
21 (4 common words)
Common example
headmistresses
Rare example
hypersecretion
Doubled letters
7
Ending in S
10
Most frequent letter
E (21)

Questions

How many 14-letter words matching h_______r_____ are there?

21. 4 of them are common words.

What is a common example?

HEADMISTRESSES is among the common words in this set.