12-Letter Words Matching H__________N

There are 18 12-letter words that match H__________N. 4 are common words, such as HALLUCINOGEN and HUMANITARIAN. A rarer one is HYMENOPTERON. In this set, T is the most frequent open letter (17 words). 1 words contain a doubled letter.

Full list 18

hallucinogenhumanitarianhumanizationhypertensionhabilitationhaematoxylonhymenopteranhalogenationhalterbrokenhamantaschenhebraizationhemodilutionhereditarianheterokaryonhominizationhomologationhumificationhymenopteron

About this list

Words
18 (4 common words)
Common example
hallucinogen
Rare example
hymenopteron
Doubled letters
1
Ending in S
0
Most frequent letter
T (17)

Questions

How many 12-letter words matching h__________n are there?

18. 4 of them are common words.

What is a common example?

HALLUCINOGEN is among the common words in this set.