13-Letter Words Matching A_________O__

There are 53 13-letter words that match A_________O__. 25 are common words, such as ABBREVIATIONS and ACCELERATIONS. A rarer one is AUTOXIDATIONS. In this set, S is the most frequent open letter (47 words). 18 words contain a doubled letter.

Full list 53

Common words

abbreviationsaccelerationsaccentuationsaccumulationsadjudicationsadulterationsadventuresomealliterationsamalgamationsameliorationsamortizationsanchorpersons
abbreviationsaccelerationsaccentuationsaccumulationsadjudicationsadulterationsadventuresomealliterationsamalgamationsameliorationsamortizationsanchorpersonsannihilationsannunciationsanticipationsappreciationsapprehensionsappropriatorsarchipelagoesarticulationsasphyxiationsasseverationsassimilationsaugmentationsauscultationsadenoidectomyalimentationsallochthonousaluminiferousanthraquinoneantireligiousapperceptionsargentiferousargilliferousarteriovenousarundinaceousautocephalousautochthonousaccommodatorsadrenalectomyaldolizationsallopolyploidanaphylactoidangiospermousantibourgeoisantielectronsantifrictionsantipredatorsarborizationsassassinatorsautopolyploidautorotationsautoxidations

About this list

Words
53 (25 common words)
Common example
abbreviations
Rare example
autoxidations
Doubled letters
18
Ending in S
46
Most frequent letter
S (47)

Questions

How many 13-letter words matching a_________o__ are there?

53. 25 of them are common words.

What is a common example?

ABBREVIATIONS is among the common words in this set.