15-Letter Words Matching ________O__N___

There are 64 15-letter words that match ________O__N___. 31 are common words, such as ACRIMONIOUSNESS and ADVENTUROUSNESS. A rarer one is UNMELODIOUSNESS. In this set, S is the most frequent open letter (64 words). 62 words contain a doubled letter.

Full list 64

Common words

acrimoniousnessadventurousnesscarnivorousnessceremoniousnessconspicuousnesscontentiousnessexpeditiousnessflirtatiousnesshallucinogenicsillustriousnessimpecuniousnessincongruousness
acrimoniousnessadventurousnesscarnivorousnessceremoniousnessconspicuousnesscontentiousnessexpeditiousnessflirtatiousnesshallucinogenicsillustriousnessimpecuniousnessincongruousnessindustriousnessinjudiciousnessmellifluousnessmeritoriousnessmischievousnesspostconsonantalpretentiousnesspunctiliousnessquarrelsomenessrepetitiousnesssuperfluousnesstempestuousnesstendentiousnesstreacherousnessunconsciousnessunquestioninglyunrighteousnessunwholesomenessventuresomenesscompendiousnessdeleteriousnessduplicitousnessefficaciousnesshomogeneousnessignominiousnessincredulousnessirreligiousnessmagnanimousnessodoriferousnessperfunctorinessperspicuousnesspestiferousnessprecipitousnesspromiscuousnessrumbustiousnesssententiousnessatrabiliousnessblasphemousnessdichotomousnessfissiparousnessfloriferousnessmountainousnessnecessitousnessopprobriousnessoverzealousnessprestigiousnesssaponaceousnessspontaneousnesssynchronousnesstemerariousnesstroublesomenessunmelodiousness

About this list

Words
64 (31 common words)
Common example
acrimoniousness
Rare example
unmelodiousness
Doubled letters
62
Ending in S
62
Most frequent letter
S (64)

Questions

How many 15-letter words matching ________o__n___ are there?

64. 31 of them are common words.

What is a common example?

ACRIMONIOUSNESS is among the common words in this set.