12-Letter Words Matching _____E_H____

There are 22 12-letter words that match _____E_H____. 6 are common words, such as BROTHERHOODS and CLOTHESHORSE. A rarer one is WIDOWERHOODS. In this set, O is the most frequent open letter (16 words). 5 words contain a doubled letter.

Full list 22

brotherhoodsclotheshorsecockleshellspolytechnicspyrotechnicsthunderheadsaeromechanicdiencephalondoublethinksepencephalonperinephriumpyrotechnistanencephalicchamaephyteschowderheadsdiencephalicfeatherheadsfluegelhornsindomethacinprophethoodstoddlerhoodswidowerhoods

About this list

Words
22 (6 common words)
Common example
brotherhoods
Rare example
widowerhoods
Doubled letters
5
Ending in S
13
Most frequent letter
O (16)

Questions

How many 12-letter words matching _____e_h____ are there?

22. 6 of them are common words.

What is a common example?

BROTHERHOODS is among the common words in this set.