15-Letter Words Matching ___I_H_________

There are 17 15-letter words that match ___I_H_________. 4 are common words, such as DISINHERITANCES and SPRIGHTLINESSES. A rarer one is STOICHIOMETRIES. In this set, T is the most frequent open letter (16 words). 6 words contain a doubled letter.

Full list 17

disinheritancessprightlinessesunrighteousnessunsightlinessesanticholesterolanticholinergicdolichocephalicornithorhynchusantishopliftingantitheoreticalbenightednessesdelightednessesfetishisticallyperishabilitiespunishabilitiessociohistoricalstoichiometries

About this list

Words
17 (4 common words)
Common example
disinheritances
Rare example
stoichiometries
Doubled letters
6
Ending in S
10
Most frequent letter
T (16)

Questions

How many 15-letter words matching ___i_h_________ are there?

17. 4 of them are common words.

What is a common example?

DISINHERITANCES is among the common words in this set.