11-Letter Words Matching __H_____O__

There are 15 11-letter words that match __H_____O__. 10 are common words, such as DEHYDRATORS and EXHALATIONS. A rarer one is ETHAMBUTOLS. 2 words contain a doubled letter.

Full list 15

dehydratorsexhalationsexhaustionsexhibitionsexhumationsichthyologyinhalationsinhibitionsschoolbooksschoolroomsachromatousexhortatoryinhumationsschistosomeethambutols

About this list

Words
15 (10 common words)
Common example
dehydrators
Rare example
ethambutols
Doubled letters
2
Ending in S
12

Questions

How many 11-letter words matching __h_____o__ are there?

15. 10 of them are common words.

What is a common example?

DEHYDRATORS is among the common words in this set.