10-Letter Words Matching _N_______M

There are 18 10-letter words that match _N_______M. 6 are common words, such as ANGIOSPERM and ANTAGONISM. A rarer one is INTRAVITAM. In this set, I is the most frequent open letter (15 words). 1 words contain a doubled letter.

Full list 18

angiospermantagonismantebellumenthusiasminvalidismunderwhelmandroeciumantilogismgnosticisminitialisminvolucrumontologismanabaptismantemortemantiracismantireforminsularismintravitam

About this list

Words
18 (6 common words)
Common example
angiosperm
Rare example
intravitam
Doubled letters
1
Ending in S
0
Most frequent letter
I (15)

Questions

How many 10-letter words matching _n_______m are there?

18. 6 of them are common words.

What is a common example?

ANGIOSPERM is among the common words in this set.