11-Letter Words Matching ___H__H____

There are 15 11-letter words that match ___H__H____. 5 are common words, such as ARRHYTHMIAS and FATHERHOODS. A rarer one is ORPHANHOODS. In this set, S is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 15

arrhythmiasfatherhoodsmotherhoodsnightshadesnightshirtsamphichroiceurhythmicslithophytesamphiphilesamphiphiliceurhythmieslithophaneslophophoresmotherhouseorphanhoods

About this list

Words
15 (5 common words)
Common example
arrhythmias
Rare example
orphanhoods
Doubled letters
4
Ending in S
12
Most frequent letter
S (13)

Questions

How many 11-letter words matching ___h__h____ are there?

15. 5 of them are common words.

What is a common example?

ARRHYTHMIAS is among the common words in this set.