12-Letter Words Containing IH

There are 13 12-letter words that contain IH. 4 are common words, such as ANNIHILATING and ANNIHILATION. A rarer one is HEMIHYDRATES. 6 words contain a doubled letter.

Full list 13

annihilatingannihilationannihilatorsunlikelihoodantihalationantihumanismmillihenriesannihilatoryantiheroinesantihuntingsantihysterichemihydratedhemihydrates

About this list

Words
13 (4 common words)
Common example
annihilating
Rare example
hemihydrates
Doubled letters
6
Ending in S
5

Questions

How many 12-letter words containing ih are there?

13. 4 of them are common words.

What is a common example?

ANNIHILATING is among the common words in this set.