15-Letter Words Matching _________O___N_

There are 18 15-letter words that match _________O___N_. 7 are common words, such as BURGLARPROOFING and DISILLUSIONMENT. A rarer one is PROTOHISTORIANS. 8 words contain a doubled letter.

Full list 18

burglarproofingdisillusionmentreapportionmenttrinitrotoluenetroubleshootingunderemploymentweatherproofingcounterplottinghexachloropheneoverdevelopmentphosphoproteinsantidevelopmentapolipoproteinscorticotrophinsethnohistoriansovercontrollingoverwithholdingprotohistorians

About this list

Words
18 (7 common words)
Common example
burglarproofing
Rare example
protohistorians
Doubled letters
8
Ending in S
5

Questions

How many 15-letter words matching _________o___n_ are there?

18. 7 of them are common words.

What is a common example?

BURGLARPROOFING is among the common words in this set.