12-Letter Words Matching ____T__H____

There are 14 12-letter words that match ____T__H____. 5 are common words, such as PARATYPHOIDS and POLYTECHNICS. A rarer one is TRYPTOPHANES. In this set, E is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 14

paratyphoidspolytechnicspyrotechnicsreattachmentskittishnessgametophoresgametophytespyrotechnistfaintishnessgametophytickinetochoresovertightenssluttishnesstryptophanes

About this list

Words
14 (5 common words)
Common example
paratyphoids
Rare example
tryptophanes
Doubled letters
4
Ending in S
11
Most frequent letter
E (13)

Questions

How many 12-letter words matching ____t__h____ are there?

14. 5 of them are common words.

What is a common example?

PARATYPHOIDS is among the common words in this set.