10-Letter Words Matching E________M

There are 15 10-letter words that match E________M. 6 are common words, such as ECHINODERM and ECOTOURISM. A rarer one is EPIPHYTISM. In this set, I is the most frequent open letter (15 words). 1 words contain a doubled letter.

Full list 15

echinodermecotourismempiricismenthusiasmepitheliumevangelismepicardiumepineuriumepisternumerraticismeudemonismeuhemerismeupatoriumepidendrumepiphytism

About this list

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

Questions

How many 10-letter words matching e________m are there?

15. 6 of them are common words.

What is a common example?

ECHINODERM is among the common words in this set.