7-Letter Words Matching O_M____

There are 18 7-letter words that match O_M____. 5 are common words, such as ORMOLUS and OSMIUMS. A rarer one is OSMUNDS. In this set, S is the most frequent open letter (17 words). 4 words contain a doubled letter.

Full list 18

ormolusosmiumsosmosesosmosisosmoticohmagesosmiousosmundaoomiackoomiacsoomiaksoompahsosmaticosmolalosmolarosmolesosmosedosmunds

About this list

Words
18 (5 common words)
Common example
ormolus
Rare example
osmunds
Doubled letters
4
Ending in S
11
Most frequent letter
S (17)

Questions

How many 7-letter words matching o_m____ are there?

18. 5 of them are common words.

What is a common example?

ORMOLUS is among the common words in this set.