14-Letter Words Matching H_________E___

There are 12 14-letter words that match H_________E___. 3 are common words, such as HALLUCINOGENIC and HANDKERCHIEVES. A rarer one is HYPOMAGNESEMIA. In this set, E is the most frequent open letter (11 words). 2 words contain a doubled letter.

Full list 12

hallucinogenichandkerchieveshypoallergenicheavyheartedlyheteroduplexeshyperaesthesiahyperaesthetichypercatalexeshypercatalexishyperenergetichyperlipidemiahypomagnesemia

About this list

Words
12 (3 common words)
Common example
hallucinogenic
Rare example
hypomagnesemia
Doubled letters
2
Ending in S
4
Most frequent letter
E (11)

Questions

How many 14-letter words matching h_________e___ are there?

12. 3 of them are common words.

What is a common example?

HALLUCINOGENIC is among the common words in this set.