14-Letter Words Matching ____H____T____

There are 12 14-letter words that match ____H____T____. 5 are common words, such as BIOCHEMISTRIES and FORTHRIGHTNESS. A rarer one is TRICHROMATISMS. In this set, I is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 12

biochemistriesforthrightnessgeochemistrieslaughingstocksweightliftingsincoherentnessophthalmitisescanthaxanthinsnontheoreticalpsychrometriesrhythmizationstrichromatisms

About this list

Words
12 (5 common words)
Common example
biochemistries
Rare example
trichromatisms
Doubled letters
2
Ending in S
11
Most frequent letter
I (12)

Questions

How many 14-letter words matching ____h____t____ are there?

12. 5 of them are common words.

What is a common example?

BIOCHEMISTRIES is among the common words in this set.