13-Letter Words Matching ______O_S____

There are 100 13-letter words that match ______O_S____. 64 are common words, such as AMBITIOUSNESS and AMORPHOUSNESS. A rarer one is UNSERIOUSNESS. In this set, S is the most frequent open letter (100 words). 91 words contain a doubled letter.

Full list 100

Common words

ambitiousnessamorphousnessanalogousnessassiduousnessatrociousnessaudaciousnessbounteousnessbumptiousnesscapaciousnesschampionshipsconsciousnesscourteousness
ambitiousnessamorphousnessanalogousnessassiduousnessatrociousnessaudaciousnessbounteousnessbumptiousnesscapaciousnesschampionshipsconsciousnesscourteousnesscredulousnessdeliciousnessdeliriousnessdexterousnessdictatorshipsdirectorshipsegregiousnessfacetiousnessferociousnessfractiousnessfrivolousnessgarrulousnessgovernorshipshilariousnessimperiousnessimpetuousnessingeniousnessingenuousnessinnocuousnessinsidiousnessinvidiousnessirresponsibleirresponsiblyjudiciousnesslaboriousnesslecherousnesslitigiousnessludicrousnessluxuriousnessmaliciousnessmelodiousnessmomentousnessnefariousnessobliviousnessobnoxiousnessofficiousnesspenuriousnessponderousnessquerulousnessrapaciousnessrelationshipsreligiousnessrighteousnesssalaciousnessstrenuousnesssumptuousnesstenaciousnesstremulousnessventurousnessvicariousnessvivaciousnessvoraciousnessanomalousnessbarbarousnessbeauteousnessclamorousnesscongruousnessdangerousnessdeciduousnesserroneousnessfugaciousnessglamorousnessglutinousnessinjuriousnessmarvelousnessmonstrousnessmurderousnessnonporousnessseditiousnessunanimousnessveraciousnessvexatiousnessambiguousnessanonymousnesscoauthorshipsexecutorshipsfeloniousnesshazardousnessincuriousnessjurisconsultspendulousnessplenteousnessrapturousnesssagaciousnesssulfurousnesssurvivorshipstroublousnessunseriousness

About this list

Words
100 (64 common words)
Common example
ambitiousness
Rare example
unseriousness
Doubled letters
91
Ending in S
98
Most frequent letter
S (100)

Questions

How many 13-letter words matching ______o_s____ are there?

100. 64 of them are common words.

What is a common example?

AMBITIOUSNESS is among the common words in this set.