12-Letter Words Matching ___H_____N__

There are 21 12-letter words that match ___H_____N__. 8 are common words, such as AMPHETAMINES and DISHEARTENED. A rarer one is TECHNETRONIC. In this set, I is the most frequent open letter (17 words). 2 words contain a doubled letter.

Full list 21

amphetaminesdisheartenedenchantmentsnaphthalenesrechristenedsightseeingsunchaperonedwithholdingsalphitomancyamphisbaenasarchdeaconrymethenaminesunchristenedxiphisternumamphictyonicamphisbaenicbushrangingsenchainmentsmethylaminespathfindingstechnetronic

About this list

Words
21 (8 common words)
Common example
amphetamines
Rare example
technetronic
Doubled letters
2
Ending in S
11
Most frequent letter
I (17)

Questions

How many 12-letter words matching ___h_____n__ are there?

21. 8 of them are common words.

What is a common example?

AMPHETAMINES is among the common words in this set.