15-Letter Words Matching H_________E____

There are 18 15-letter words that match H_________E____. 9 are common words, such as HALLUCINOGENICS and HAPHAZARDNESSES. A rarer one is HYPOMAGNESEMIAS. In this set, E is the most frequent open letter (17 words). 13 words contain a doubled letter.

Full list 18

hallucinogenicshaphazardnesseshealthfulnessesheartlessnessesheartsicknesseshilariousnesseshonorablenesseshotheadednesseshumorlessnesseshousemistresseshypercatalectichabitablenesseshazardousnesseshouselessnesseshyperaesthesiashyperexcitementhyperlipidemiashypomagnesemias

About this list

Words
18 (9 common words)
Common example
hallucinogenics
Rare example
hypomagnesemias
Doubled letters
13
Ending in S
16
Most frequent letter
E (17)

Questions

How many 15-letter words matching h_________e____ are there?

18. 9 of them are common words.

What is a common example?

HALLUCINOGENICS is among the common words in this set.