10-Letter Words Matching ______OG__

There are 38 10-letter words that match ______OG__. 3 are common words, such as ASTROLOGER and CARCINOGEN. A rarer one is TROPOLOGIC. In this set, I is the most frequent open letter (32 words). 2 words contain a doubled letter.

Full list 38

Common words

astrologercarcinogentravelogueastrologiccaseinogencosmologicdermatogendisembogueethnologicfibrinogenhistologichydrologic
astrologercarcinogentravelogueastrologiccaseinogencosmologicdermatogendisembogueethnologicfibrinogenhistologichydrologichypnagogichypnogogiclithologicmystagoguemythologermythologicnecrologicneurologicpathologicpepsinogenphanerogamphonologicradiologicscatologicsialagoguesociologictautologicaudiologicgolliwoggshagiologicinterrogeekaryologiclimnologicpetrologicteleologictropologic

About this list

Words
38 (3 common words)
Common example
astrologer
Rare example
tropologic
Doubled letters
2
Ending in S
1
Most frequent letter
I (32)

Questions

How many 10-letter words matching ______og__ are there?

38. 3 of them are common words.

What is a common example?

ASTROLOGER is among the common words in this set.