12-Letter Words Matching ____H______N

There are 21 12-letter words that match ____H______N. 6 are common words, such as ANNIHILATION and BACCHANALIAN. A rarer one is TRICHOPTERAN. In this set, O is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 21

annihilationbacchanaliannortheasternnorthwesternsoutheasternsouthwesternantihalationepithalamionerythromycinfeatherbrainparahydrogenprothalamiontrephinationwarehousemanwarehousemenaestheticiannonphysicianonychophoranporphyropsintrichlorphontrichopteran

About this list

Words
21 (6 common words)
Common example
annihilation
Rare example
trichopteran
Doubled letters
2
Ending in S
0
Most frequent letter
O (18)

Questions

How many 12-letter words matching ____h______n are there?

21. 6 of them are common words.

What is a common example?

ANNIHILATION is among the common words in this set.