12-Letter Words Matching ____ON______

There are 162 12-letter words that match ____ON______. 71 are common words, such as ASTRONAUTICS and ASTRONOMICAL. A rarer one is UNIRONICALLY. In this set, I is the most frequent open letter (126 words). 41 words contain a doubled letter.

Full list 162

Common words

astronauticsastronomicalboutonnieresbuttonholingcarbonaceouscarbonationscommonaltiescommonnessescommonplacescommonwealthcosponsoringcottonmouths
astronauticsastronomicalboutonnieresbuttonholingcarbonaceouscarbonationscommonaltiescommonnessescommonplacescommonwealthcosponsoringcottonmouthsdespondencesdespondentlydiamondbacksdisconcerteddisconnecteddisconsolatediscontenteddiscontinueddiscontinuesdishonestiesdishonorabledishonorablyeffronterieseuphoniouslyharmonicallyharmoniouslylegionnairesmisconceivedmisconceivesmisconductedmisconstruedmisconstruesmnemonicallymotionlesslynationalismsnationalistsnationalizednationalizesnonconductorpaleontologypersonalizedpersonalizespersonaltiespersonifyingpigeonholingpreconceivedpreconceivespreconditionpremonitionspreponderantpreponderateprolongationpromontoriesrationalismsrationalistsrationalizedrationalizesregionalismsresponsivelysardonicallysubconscioussubcontinentsubcontractstendonitisestrigonometryuneconomicalvioloncelloswantonnesseswarmongeringcannonfoddercomponentialcondonationscosmonauticscupronickelsdespondinglydiagonalizeddiagonalizesdiatonicallymacronucleusmalcontentedmarconigraphmatronlinessmicronucleusmisconceivernationalizerperionychiumphotoneutronplatonicallypreconcertedpreconsciousproconsulateradionucliderationalizerrationalnesssiphonophoresiphonostelesulfonamidestectonicallyunpronouncedacetonitrilealcyonariansamazonstonesbuttonbushesbuttonholersbuttonhookedcannonballedcarbonadoingcationicallycitronellalscitronellolsconsonanciescyclonicallydisconfirmedethionamideseuphonicallyfibronectinsharmonicistshydronicallyisotonicallymacronuclearmetronomicalmisconnectedmuttonfishesnationalisednationalisesnonconcurrednonconformednonconformernoncongruentnonconsciousnonconstantsnonconsumersnonconsumingpersonalisedpersonalisespersonalismspersonalistspersonationspersonifiersphotonuclearpigeonholerspremonishingprotonationsprotonematalrationalisedrationalisesreasonlesslyregionalistsregionalizedregionalizesresponsoriesribbonfishessardonicismssinfoniettassubsonicallysulfonationssulfonylureataphonomiststendonitidesunironically

About this list

Words
162 (71 common words)
Common example
astronautics
Rare example
unironically
Doubled letters
41
Ending in S
75
Most frequent letter
I (126)

Questions

How many 12-letter words matching ____on______ are there?

162. 71 of them are common words.

What is a common example?

ASTRONAUTICS is among the common words in this set.