10-Letter Words Matching H_E_______

There are 12 10-letter words that match H_E_______. 3 are common words, such as HEEDLESSLY and HIERARCHIC. A rarer one is HIERODULES. In this set, I is the most frequent open letter (9 words). 2 words contain a doubled letter.

Full list 12

heedlesslyhierarchichieroglyphhaemostatshierarchalhierocracyhierolatryhierophanthyetographhaematitesheelpieceshierodules

About this list

Words
12 (3 common words)
Common example
heedlessly
Rare example
hierodules
Doubled letters
2
Ending in S
4
Most frequent letter
I (9)

Questions

How many 10-letter words matching h_e_______ are there?

12. 3 of them are common words.

What is a common example?

HEEDLESSLY is among the common words in this set.