12-Letter Words Matching __O_______M_

There are 17 12-letter words that match __O_______M_. 3 are common words, such as BLOODSTREAMS and HOOLIGANISMS. A rarer one is PROTOPHLOEMS. In this set, S is the most frequent open letter (17 words). 2 words contain a doubled letter.

Full list 17

bloodstreamshooliganismsproselytismschondriosomeclostridiumsegocentrismsisomorphismsprobabilismsadoptianismsadoptionismsesotericismsisochronismsphosphoniumsphotosystemsproctodaeumsprognathismsprotophloems

About this list

Words
17 (3 common words)
Common example
bloodstreams
Rare example
protophloems
Doubled letters
2
Ending in S
16
Most frequent letter
S (17)

Questions

How many 12-letter words matching __o_______m_ are there?

17. 3 of them are common words.

What is a common example?

BLOODSTREAMS is among the common words in this set.