15-Letter Words Matching ___HE__________

There are 16 15-letter words that match ___HE__________. 6 are common words, such as AUTHENTICATIONS and DISHEARTENINGLY. A rarer one is PINHEADEDNESSES. In this set, A is the most frequent open letter (15 words). 8 words contain a doubled letter.

Full list 16

authenticationsdishearteninglyeuphemisticallyhotheadednesseslecherousnessespigheadednessesdisheartenmentspithecanthropusarcheologicallycatheterizationdiphenhydramineeggheadednessesfatheadednessesmathematizationorchestrationalpinheadednesses

About this list

Words
16 (6 common words)
Common example
authentications
Rare example
pinheadednesses
Doubled letters
8
Ending in S
9
Most frequent letter
A (15)

Questions

How many 15-letter words matching ___he__________ are there?

16. 6 of them are common words.

What is a common example?

AUTHENTICATIONS is among the common words in this set.