14-Letter Words Matching H_____L_______

There are 14 14-letter words that match H_____L_______. 5 are common words, such as HAIRSPLITTINGS and HORRIBLENESSES. A rarer one is HISTOPLASMOSES. In this set, I is the most frequent open letter (13 words). 7 words contain a doubled letter.

Full list 14

hairsplittingshorriblenesseshousecleaningshyperglycemiashypoallergenichemagglutinateheterolecithalhieroglyphicalhistoplasmosisheavenlinesseshemagglutininshemicellulosesheterologouslyhistoplasmoses

About this list

Words
14 (5 common words)
Common example
hairsplittings
Rare example
histoplasmoses
Doubled letters
7
Ending in S
9
Most frequent letter
I (13)

Questions

How many 14-letter words matching h_____l_______ are there?

14. 5 of them are common words.

What is a common example?

HAIRSPLITTINGS is among the common words in this set.