13-Letter Words Matching _O__G________

There are 21 13-letter words that match _O__G________. 10 are common words, such as COSIGNATORIES and FOREGATHERING. A rarer one is WOOLGATHERERS. In this set, I is the most frequent open letter (18 words). 9 words contain a doubled letter.

Full list 21

cosignatoriesforegatheringforegroundinghomogeneitieshomogeneouslynonagenariansnonaggressionpostgraduatestopographicalwoolgatheringboraginaceousholographicalmonogrammaticnonaggressivebourguignonnelogogrammaticmonogenicallymonoglyceridepolyglottismspolygraphistswoolgatherers

About this list

Words
21 (10 common words)
Common example
cosignatories
Rare example
woolgatherers
Doubled letters
9
Ending in S
8
Most frequent letter
I (18)

Questions

How many 13-letter words matching _o__g________ are there?

21. 10 of them are common words.

What is a common example?

COSIGNATORIES is among the common words in this set.