15-Letter Words Matching A_____O________

There are 25 15-letter words that match A_____O________. 10 are common words, such as ACCOMMODATINGLY and AMBITIOUSNESSES. A rarer one is AUTOTROPHICALLY. In this set, N is the most frequent open letter (20 words). 13 words contain a doubled letter.

Full list 25

Common words

accommodatinglyambitiousnessesamorphousnessesanalogousnessesantiabortionistassiduousnessesatrociousnessesaudaciousnessesautobiographersautobiographiesacanthocephalananomalousnesses
accommodatinglyambitiousnessesamorphousnessesanalogousnessesantiabortionistassiduousnessesatrociousnessesaudaciousnessesautobiographersautobiographiesacanthocephalananomalousnessesanticholesterolanticholinergicantiprohibitionarchaeopteryxesaccommodationalaluminosilicateambiguousnessesanonymousnessesantiprogressiveantishopliftingapolipoproteinsarteriographiesautotrophically

About this list

Words
25 (10 common words)
Common example
accommodatingly
Rare example
autotrophically
Doubled letters
13
Ending in S
14
Most frequent letter
N (20)

Questions

How many 15-letter words matching a_____o________ are there?

25. 10 of them are common words.

What is a common example?

ACCOMMODATINGLY is among the common words in this set.