15-Letter Words Matching ________H___S__

There are 12 15-letter words that match ________H___S__. 4 are common words, such as HYDROCEPHALUSES and SERVOMECHANISMS. A rarer one is TOMBOYISHNESSES. In this set, S is the most frequent open letter (11 words). 5 words contain a doubled letter.

Full list 12

hydrocephalusesservomechanismssqueamishnessesunselfishnesseselectrophoreseselectrophoresisantialcoholismscryptorchidismselectrophoresedkittenishnesseslickerishnessestomboyishnesses

About this list

Words
12 (4 common words)
Common example
hydrocephaluses
Rare example
tomboyishnesses
Doubled letters
5
Ending in S
11
Most frequent letter
S (11)

Questions

How many 15-letter words matching ________h___s__ are there?

12. 4 of them are common words.

What is a common example?

HYDROCEPHALUSES is among the common words in this set.