15-Letter Words Matching ___I__O________

There are 40 15-letter words that match ___I__O________. 17 are common words, such as AMBITIOUSNESSES and ANTIABORTIONIST. A rarer one is SEDITIOUSNESSES. In this set, S is the most frequent open letter (36 words). 19 words contain a doubled letter.

Full list 40

Common words

ambitiousnessesantiabortionistassiduousnessesdeliciousnessesdeliriousnessesdisinformationsinsidiousnessesinvidiousnessesjudiciousnesseslitigiousnessesludicrousnessesmaliciousnesses
ambitiousnessesantiabortionistassiduousnessesdeliciousnessesdeliriousnessesdisinformationsinsidiousnessesinvidiousnessesjudiciousnesseslitigiousnessesludicrousnessesmaliciousnessesmisinformationsnonintoxicatingobliviousnessesofficiousnessesreligiousnessesanticholesterolanticholinergicantiprohibitiondolichocephalicindissolubilityornithorhynchusreciprocalitiesschistosomiasesschistosomiasisambiguousnessesantiprogressiveantishopliftingbasidiomycetouscleistogamouslydeciduousnessesdinitrobenzenesdisintoxicatingdisintoxicationnonimportationsnoninformationsnoninvolvementsoscillographiesseditiousnesses

About this list

Words
40 (17 common words)
Common example
ambitiousnesses
Rare example
seditiousnesses
Doubled letters
19
Ending in S
28
Most frequent letter
S (36)

Questions

How many 15-letter words matching ___i__o________ are there?

40. 17 of them are common words.

What is a common example?

AMBITIOUSNESSES is among the common words in this set.