14-Letter Words Matching H__________E__

There are 12 14-letter words that match H__________E__. 3 are common words, such as HARDHEADEDNESS and HARMONIOUSNESS. A rarer one is HYPERPRODUCERS. 8 words contain a doubled letter.

Full list 12

hardheadednessharmoniousnesshighhandednesshereditarinesshardhandednesshemacytometershemocytometershepatopancreashistoricalnesshyperawarenesshyperefficienthyperproducers

About this list

Words
12 (3 common words)
Common example
hardheadedness
Rare example
hyperproducers
Doubled letters
8
Ending in S
11

Questions

How many 14-letter words matching h__________e__ are there?

12. 3 of them are common words.

What is a common example?

HARDHEADEDNESS is among the common words in this set.