15-Letter Words Matching ____H______I___

There are 13 15-letter words that match ____H______I___. 2 are common words, such as FEATHERBEDDINGS and WEATHERIZATIONS. A rarer one is TRICHOMONACIDES. In this set, N is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 13

featherbeddingsweatherizationspsycholinguistsepithelizationsgraphitizationsichthyosaurianslymphadenitiseslymphocytosiseslyophilizationsoverhomogenizedoverhomogenizestrichomonacidaltrichomonacides

About this list

Words
13 (2 common words)
Common example
featherbeddings
Rare example
trichomonacides
Doubled letters
1
Ending in S
11
Most frequent letter
N (12)

Questions

How many 15-letter words matching ____h______i___ are there?

13. 2 of them are common words.

What is a common example?

FEATHERBEDDINGS is among the common words in this set.