15-Letter Words Matching ____O________N_

There are 40 15-letter words that match ____O________N_. 6 are common words, such as ACKNOWLEDGEMENT and MICROMANAGEMENT. A rarer one is UNIFORMITARIANS. In this set, I is the most frequent open letter (39 words). 5 words contain a doubled letter.

Full list 40

Common words

acknowledgementmicromanagementnoncontributingnoncooperationspreconditioningrephotographingcyanocobalaminseconometriciansforeordinationsincoordinationschemoreceptionscyanocobalamine
acknowledgementmicromanagementnoncontributingnoncooperationspreconditioningrephotographingcyanocobalaminseconometriciansforeordinationsincoordinationschemoreceptionscyanocobalaminecyanoethylatingcyclohexylaminedisconsolationsethnohistorianseutrophicationsmacroevolutionsmicroevolutionsmicroinjectionsmicropublishingmicropulsationsmiscomputationsmiscorrelationsneurosecretionsnonconsumptionsnoncorrelationsorthogonalizingoverornamentingphotoinductionsphotooxidationsphotoreceptionsphotoreductionspreponderationsproportionatingprotohistoriansprotoporphyrinsretrogradationstrisoctahedronsuniformitarians

About this list

Words
40 (6 common words)
Common example
acknowledgement
Rare example
uniformitarians
Doubled letters
5
Ending in S
28
Most frequent letter
I (39)

Questions

How many 15-letter words matching ____o________n_ are there?

40. 6 of them are common words.

What is a common example?

ACKNOWLEDGEMENT is among the common words in this set.