13-Letter Words Matching _H_______O___

There are 23 13-letter words that match _H_______O___. 6 are common words, such as PHARMACOPOEIA and PHILANTHROPIC. A rarer one is WHISTLEBLOWER. 3 words contain a doubled letter.

Full list 23

pharmacopoeiaphilanthropicthoroughgoingthundercloudsthundershowerthunderstormscheckerbloomschondriosomespharmacologicphotocathodesphotocomposerphytohormonesthoroughwortsphotobiologicphotocomposedphotocomposesphotogeologicphotoperiodicphytopathogenthrottleholdsthunderstoneswheelbarrowedwhistleblower

About this list

Words
23 (6 common words)
Common example
pharmacopoeia
Rare example
whistleblower
Doubled letters
3
Ending in S
10

Questions

How many 13-letter words matching _h_______o___ are there?

23. 6 of them are common words.

What is a common example?

PHARMACOPOEIA is among the common words in this set.