15-Letter Words Matching H________O_____

There are 12 15-letter words that match H________O_____. 1 are common words, such as HYPERTHYROIDISM and HETEROCHROMATIC. A rarer one is HYSTERECTOMIZED. 1 words contain a doubled letter.

Full list 12

hyperthyroidismheterochromaticheterochromatinhexachlorophenehistopathologicholometabolismshydrobiologicalhydrobiologistshydroxyprolineshyperresponsivehypersomnolencehysterectomized

About this list

Words
12 (1 common words)
Common example
hyperthyroidism
Rare example
hysterectomized
Doubled letters
1
Ending in S
3

Questions

How many 15-letter words matching h________o_____ are there?

12. 1 of them are common words.

What is a common example?

HYPERTHYROIDISM is among the common words in this set.