8-Letter Words Matching O_N_____

There are 16 8-letter words that match O_N_____. 6 are common words, such as OENOLOGY and OINTMENT. A rarer one is OSNABURG. In this set, I is the most frequent open letter (11 words). 0 words contain a doubled letter.

Full list 16

oenologyointmentomnivoreornamentornatelyornerierornithicoenomelsoinologyoinomelsomniarchomniformomnimodeomnivoraornithesosnaburg

About this list

Words
16 (6 common words)
Common example
oenology
Rare example
osnaburg
Doubled letters
0
Ending in S
3
Most frequent letter
I (11)

Questions

How many 8-letter words matching o_n_____ are there?

16. 6 of them are common words.

What is a common example?

OENOLOGY is among the common words in this set.