15-Letter Words Matching A_____________N

There are 16 15-letter words that match A_____________N. 3 are common words, such as ACCLIMATIZATION and ALPHABETIZATION. A rarer one is AUTOTRANSFUSION. In this set, I is the most frequent open letter (15 words). 4 words contain a doubled letter.

Full list 16

acclimatizationalphabetizationanesthetizationacanthocephalanacetophenetidinagribusinessmanantiprohibitionantivivisectionastronavigationautocorrelationagribusinessmenantiegalitarianantilibertarianantisegregationantispeculationautotransfusion

About this list

Words
16 (3 common words)
Common example
acclimatization
Rare example
autotransfusion
Doubled letters
4
Ending in S
0
Most frequent letter
I (15)

Questions

How many 15-letter words matching a_____________n are there?

16. 3 of them are common words.

What is a common example?

ACCLIMATIZATION is among the common words in this set.