15-Letter Words Matching __A__________O_

There are 13 15-letter words that match __A__________O_. 5 are common words, such as QUADRUPLICATION and STANDARDIZATION. A rarer one is REACCREDITATION. 3 words contain a doubled letter.

Full list 13

quadruplicationstandardizationtransfigurationtransliterationtransplantationreafforestationreauthorizationtranquilizationcyanoethylationdeacidificationdiagonalizationgrandparenthoodreaccreditation

About this list

Words
13 (5 common words)
Common example
quadruplication
Rare example
reaccreditation
Doubled letters
3
Ending in S
0

Questions

How many 15-letter words matching __a__________o_ are there?

13. 5 of them are common words.

What is a common example?

QUADRUPLICATION is among the common words in this set.