15-Letter Words Matching ______H____I___

There are 12 15-letter words that match ______H____I___. 4 are common words, such as AROMATHERAPISTS and ASTROPHYSICISTS. A rarer one is NONMATHEMATICAL. In this set, T is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 12

aromatherapistsastrophysicistsbloodthirstiestradiotherapistsacetophenetidinazidothymidineshypnotherapistsamphitheatricalbiomathematicalchemotherapistseutrophicationsnonmathematical

About this list

Words
12 (4 common words)
Common example
aromatherapists
Rare example
nonmathematical
Doubled letters
1
Ending in S
7
Most frequent letter
T (12)

Questions

How many 15-letter words matching ______h____i___ are there?

12. 4 of them are common words.

What is a common example?

AROMATHERAPISTS is among the common words in this set.