11-Letter Words Containing EUM

There are 12 11-letter words that contain EUM. 2 are common words, such as PERITONEUMS and RHEUMATISMS. A rarer one is STOMODAEUMS. In this set, T is the most frequent open letter (9 words). 2 words contain a doubled letter.

Full list 12

peritoneumsrheumatismspneumaticalpneumectomypneumococcipneumographsuccedaneumpneumonitespneumonitisproctodaeumrheumatizesstomodaeums

About this list

Words
12 (2 common words)
Common example
peritoneums
Rare example
stomodaeums
Doubled letters
2
Ending in S
6
Most frequent letter
T (9)

Questions

How many 11-letter words containing eum are there?

12. 2 of them are common words.

What is a common example?

PERITONEUMS is among the common words in this set.