13-Letter Words Matching O________N___

There are 31 13-letter words that match O________N___. 14 are common words, such as OBJECTIVENESS and OBLIVIOUSNESS. A rarer one is OVERSWEETNESS. In this set, E is the most frequent open letter (28 words). 20 words contain a doubled letter.

Full list 31

Common words

objectivenessobliviousnessobnoxiousnessobsessivenessobsolescencesobtrusivenessoffensivenessoffhandednessofficiousnessomnipresencesoutspokennessoutstandingly
objectivenessobliviousnessobnoxiousnessobsessivenessobsolescencesobtrusivenessoffensivenessoffhandednessofficiousnessomnipresencesoutspokennessoutstandinglyoverbearinglyoverburdeningobsolescentlyopportunenessoverhastinessoverprominentoverstrainingoverweeninglyobstinatenessoperativenessoppositionistoutbargainingoverdesigningovereagernessovergoverningoverissuancesoverreliancesoverrespondedoversweetness

About this list

Words
31 (14 common words)
Common example
objectiveness
Rare example
oversweetness
Doubled letters
20
Ending in S
19
Most frequent letter
E (28)

Questions

How many 13-letter words matching o________n___ are there?

31. 14 of them are common words.

What is a common example?

OBJECTIVENESS is among the common words in this set.