13-Letter Words Matching A__________O_

There are 31 13-letter words that match A__________O_. 16 are common words, such as ACCOMMODATION and ACCREDITATION. A rarer one is AUTOINFECTION. 14 words contain a doubled letter.

Full list 31

Common words

accommodationaccreditationacculturationactualizationadministratorafforestationagglomerationagglutinationamplificationanimadversionantipollutionappropriation
accommodationaccreditationacculturationactualizationadministratorafforestationagglomerationagglutinationamplificationanimadversionantipollutionappropriationapproximationargumentationassassinationauthorizationacidificationanglicizationantineutrinosantirejectionauthenticatoraccustomationacetificationanimalizationanticollisionanticorrosionantievolutionantirecessionarabicizationaromatizationautoinfection

About this list

Words
31 (16 common words)
Common example
accommodation
Rare example
autoinfection
Doubled letters
14
Ending in S
1

Questions

How many 13-letter words matching a__________o_ are there?

31. 16 of them are common words.

What is a common example?

ACCOMMODATION is among the common words in this set.