15-Letter Words Matching A_______A______

There are 20 15-letter words that match A_______A______. 5 are common words, such as ACCOMMODATINGLY and APPROPRIATENESS. A rarer one is AUTOTETRAPLOIDY. 9 words contain a doubled letter.

Full list 20

accommodatinglyappropriatenessargumentativelyartificialitiesauthoritativelyanagrammatizingapproachabilityaccommodationalacculturationalagglutinabilityallotetraploidsallotetraploidyambisexualitiesamphitheatricalanticlimacticalantieducationalantihistaminicsantisexualitiesautotetraploidsautotetraploidy

About this list

Words
20 (5 common words)
Common example
accommodatingly
Rare example
autotetraploidy
Doubled letters
9
Ending in S
7

Questions

How many 15-letter words matching a_______a______ are there?

20. 5 of them are common words.

What is a common example?

ACCOMMODATINGLY is among the common words in this set.