15-Letter Words Matching _______O____O__

There are 20 15-letter words that match _______O____O__. 8 are common words, such as CIRCUMLOCUTIONS and CONTEMPORANEOUS. A rarer one is STRATOVOLCANOES. In this set, S is the most frequent open letter (20 words). 5 words contain a doubled letter.

Full list 20

circumlocutionscontemporaneousdisapprobationsmicroprocessorsmultiprocessorspredispositionspresuppositionssupererogationsanthropophagouscircumvolutionspassifloraceousunselfconsciouscontrapositionsdisconsolationsmacroevolutionsmicroevolutionsmicroprojectorsoverdecorationsreinvigorationsstratovolcanoes

About this list

Words
20 (8 common words)
Common example
circumlocutions
Rare example
stratovolcanoes
Doubled letters
5
Ending in S
20
Most frequent letter
S (20)

Questions

How many 15-letter words matching _______o____o__ are there?

20. 8 of them are common words.

What is a common example?

CIRCUMLOCUTIONS is among the common words in this set.