13-Letter Words Matching ______O__N___

There are 130 13-letter words that match ______O__N___. 64 are common words, such as AMBITIOUSNESS and AMORPHOUSNESS. A rarer one is WORRISOMENESS. In this set, E is the most frequent open letter (128 words). 105 words contain a doubled letter.

Full list 130

Common words

ambitiousnessamorphousnessanalogousnessassiduousnessatrociousnessaudaciousnessbounteousnessbumptiousnesscapaciousnesscarcinogenicsclairvoyancesconsciousness
ambitiousnessamorphousnessanalogousnessassiduousnessatrociousnessaudaciousnessbounteousnessbumptiousnesscapaciousnesscarcinogenicsclairvoyancesconsciousnesscourteousnesscredulousnessdehydrogenatedeliciousnessdeliriousnessdexterousnessegregiousnessfacetiousnessferociousnessfractiousnessfrivolousnessgarrulousnesshilariousnessimperiousnessimpetuousnessingeniousnessingenuousnessinnocuousnessinsidiousnessinvidiousnessjudiciousnesslaboriousnesslecherousnesslitigiousnessloathsomenessludicrousnessluxuriousnessmaladroitnessmaliciousnessmelodiousnessmomentousnessnefariousnessobliviousnessobnoxiousnessofficiousnesspenuriousnessponderousnessquerulousnessquestioninglyrapaciousnessreligiousnessrighteousnesssalaciousnessstrenuousnesssumptuousnesstenaciousnesstremulousnessventurousnessvicariousnessvivaciousnessvoraciousnesswholesomenessanomalousnessarteriovenousbarbarousnessbeauteousnessclamorousnesscongruousnessdangerousnessdecalcomaniasdeciduousnessdehydrogenasedesultorinesserroneousnessfugaciousnessglamorousnessglutinousnessgrandiosenessinjuriousnessmarvelousnessmonstrousnessmurderousnessnonporousnessoverprominentpaleobotaniespredatorinessprolegomenousquattrocentosseditiousnessstreptokinasesuperdominantthrombokinasetoothsomenessunanimousnessveraciousnessvexatiousnesswearisomenessambiguousnessanonymousnessballetomaniasclairvoyantlydisallowancesethnobotaniesethnobotanistfeloniousnesshazardousnesshyperromanticinconsonancesincuriousnessintercolonialinterdominionlightsomenessmegasporangiapaleobotanistpancytopeniaspendulousnessphosphokinaseplenteousnessrapturousnesssagaciousnesssulfurousnesssuperromantictroublousnessultraromanticunreasoninglyunseriousnesswoebegonenessworrisomeness

About this list

Words
130 (64 common words)
Common example
ambitiousness
Rare example
worrisomeness
Doubled letters
105
Ending in S
112
Most frequent letter
E (128)

Questions

How many 13-letter words matching ______o__n___ are there?

130. 64 of them are common words.

What is a common example?

AMBITIOUSNESS is among the common words in this set.