13-Letter Words Matching A_O__________

There are 26 13-letter words that match A_O__________. 6 are common words, such as ABOLITIONISMS and ABOLITIONISTS. A rarer one is AVOCATIONALLY. In this set, I is the most frequent open letter (22 words). 9 words contain a doubled letter.

Full list 26

Common words

abolitionismsabolitionistsamorousnessesamorphousnessamortizationsavoirdupoisesabortifacientanomalousnessapocalypticalapogeotropismapostrophizedapostrophizes
abolitionismsabolitionistsamorousnessesamorphousnessamortizationsavoirdupoisesabortifacientanomalousnessapocalypticalapogeotropismapostrophizedapostrophizesapotheosizingadorabilitiesagonisticallyanonymousnessapocalyptismsapocalyptistsapodicticallyapomicticallyapostrophisedapostrophisesaromaticitiesaromatizationatomisticallyavocationally

About this list

Words
26 (6 common words)
Common example
abolitionisms
Rare example
avocationally
Doubled letters
9
Ending in S
14
Most frequent letter
I (22)

Questions

How many 13-letter words matching a_o__________ are there?

26. 6 of them are common words.

What is a common example?

ABOLITIONISMS is among the common words in this set.