15-Letter Words Matching H_______T______

There are 18 15-letter words that match H_______T______. 6 are common words, such as HALFHEARTEDNESS and HARDHEARTEDNESS. A rarer one is HYSTERECTOMIZED. 9 words contain a doubled letter.

Full list 18

halfheartednesshardheartednesshorticulturistshypercriticallyhyperventilatedhyperventilatesheliocentricityhermeneuticallyhorticulturallyhousemistresseshydrocortisoneshydrostaticallyhemagglutinatedhemagglutinateshyperaesthesiashypercriticismshyperfastidioushysterectomized

About this list

Words
18 (6 common words)
Common example
halfheartedness
Rare example
hysterectomized
Doubled letters
9
Ending in S
10

Questions

How many 15-letter words matching h_______t______ are there?

18. 6 of them are common words.

What is a common example?

HALFHEARTEDNESS is among the common words in this set.