12-Letter Words Matching O_____N_____

There are 34 12-letter words that match O_____N_____. 9 are common words, such as OAFISHNESSES and OBTUSENESSES. A rarer one is OWLISHNESSES. In this set, E is the most frequent open letter (33 words). 15 words contain a doubled letter.

Full list 34

Common words

oafishnessesobtusenessesoctogenarianodiousnessesopaquenessesornatenessesornerinessesovergenerousoverwinteredoarsmanshipsoblatenessesobligingness
oafishnessesobtusenessesoctogenarianodiousnessesopaquenessesornatenessesornerinessesovergenerousoverwinteredoarsmanshipsoblatenessesobligingnessoncogenicityopenhandedlyopinionativeornamentallyoverfancifuloccidentallyoffishnessesoleaginouslyotiosenessesoutgoingnessoverconcernsoverconsumedoverconsumesovercontrolsoverhandlingoverhuntingsoverlengthenovermanagingovermanneredoverornamentoversanguineowlishnesses

About this list

Words
34 (9 common words)
Common example
oafishnesses
Rare example
owlishnesses
Doubled letters
15
Ending in S
18
Most frequent letter
E (33)

Questions

How many 12-letter words matching o_____n_____ are there?

34. 9 of them are common words.

What is a common example?

OAFISHNESSES is among the common words in this set.