10-Letter Words Matching ______O__H

There are 12 10-letter words that match ______O__H. 5 are common words, such as HENCEFORTH and MOTORMOUTH. A rarer one is SMALLMOUTH. In this set, T is the most frequent open letter (11 words). 3 words contain a doubled letter.

Full list 12

henceforthmotormouthovergrowthstagecoachtrillionthpennyworthscaramouchsnakemouthantigrowthhotchpotchlargemouthsmallmouth

About this list

Words
12 (5 common words)
Common example
henceforth
Rare example
smallmouth
Doubled letters
3
Ending in S
0
Most frequent letter
T (11)

Questions

How many 10-letter words matching ______o__h are there?

12. 5 of them are common words.

What is a common example?

HENCEFORTH is among the common words in this set.