12-Letter Words Matching _____E____M_

There are 12 12-letter words that match _____E____M_. 2 are common words, such as EINSTEINIUMS and QUADRENNIUMS. A rarer one is SCATTERGRAMS. In this set, S is the most frequent open letter (11 words). 4 words contain a doubled letter.

Full list 12

einsteiniumsquadrenniumschlorenchymacounterstampendometriumsirredentismssclerenchymatracheostomyantependiumsantirealismsimmanentismsscattergrams

About this list

Words
12 (2 common words)
Common example
einsteiniums
Rare example
scattergrams
Doubled letters
4
Ending in S
8
Most frequent letter
S (11)

Questions

How many 12-letter words matching _____e____m_ are there?

12. 2 of them are common words.

What is a common example?

EINSTEINIUMS is among the common words in this set.