9-Letter Words Matching O__N_____

There are 23 9-letter words that match O__N_____. 10 are common words, such as ODDNESSES and OLDNESSES. A rarer one is OZONIZING. 4 words contain a doubled letter.

Full list 23

oddnessesoldnessesominouslyonenessesopenworksorangeadeorangutanordnancesoutnumberovenbirdsonanisticorinasalsovenproofovenwaresodontoidsopinionedorangerieorangiestozonatingozonationozonisingozonizersozonizing

About this list

Words
23 (10 common words)
Common example
oddnesses
Rare example
ozonizing
Doubled letters
4
Ending in S
10

Questions

How many 9-letter words matching o__n_____ are there?

23. 10 of them are common words.

What is a common example?

ODDNESSES is among the common words in this set.