15-Letter Words Matching _____O____R____

There are 12 15-letter words that match _____O____R____. 4 are common words, such as ANTHROPOMORPHIC and ATHEROSCLEROSES. A rarer one is SUBPROLETARIATS. In this set, A is the most frequent open letter (11 words). 0 words contain a doubled letter.

Full list 12

anthropomorphicatherosclerosesatherosclerosisgastroenteritisatheroscleroticphlebosclerosisantipornographyenterogastronesorganochlorinespsychobiographysemipornographysubproletariats

About this list

Words
12 (4 common words)
Common example
anthropomorphic
Rare example
subproletariats
Doubled letters
0
Ending in S
7
Most frequent letter
A (11)

Questions

How many 15-letter words matching _____o____r____ are there?

12. 4 of them are common words.

What is a common example?

ANTHROPOMORPHIC is among the common words in this set.