13-Letter Words Matching ___I____O____

There are 33 13-letter words that match ___I____O____. 12 are common words, such as ACRIMONIOUSLY and ANTIMICROBIAL. A rarer one is VEXILLOLOGIES. 13 words contain a doubled letter.

Full list 33

Common words

acrimoniouslyantimicrobialantipersonnelavoirdupoisescosignatoriesefficaciouslyexhibitionismexhibitionistinvitationalsmeritoriouslyornithologiesornithologist
acrimoniouslyantimicrobialantipersonnelavoirdupoisescosignatoriesefficaciouslyexhibitionismexhibitionistinvitationalsmeritoriouslyornithologiesornithologistanticlinoriumanticorrosiveantiterrorismantiterroristexhibitionerslegislatorialnumismatologysedimentologyvexillologistantiauthorityanticorporateanticorrosionantiestrogensfeuilletonismfeuilletonistmeningococcalmeningococcicmeningococcusretinoscopiesunrighteouslyvexillologies

About this list

Words
33 (12 common words)
Common example
acrimoniously
Rare example
vexillologies
Doubled letters
13
Ending in S
9

Questions

How many 13-letter words matching ___i____o____ are there?

33. 12 of them are common words.

What is a common example?

ACRIMONIOUSLY is among the common words in this set.