15-Letter Words Matching _A__________O__

There are 22 15-letter words that match _A__________O__. 9 are common words, such as BASTARDIZATIONS and CAPITALIZATIONS. A rarer one is VASODILATATIONS. In this set, S is the most frequent open letter (22 words). 3 words contain a doubled letter.

Full list 22

bastardizationscapitalizationscategorizationsnaturalizationspalatalizationspasteurizationsradicalizationssanctificationstatterdemalionscaprifoliaceoushamamelidaceouspaleopsychologypassifloraceoussaponificationssarraceniaceousbasidiomycetousfantasticationslateralizationsmacroevolutionsparasitizationspathophysiologyvasodilatations

About this list

Words
22 (9 common words)
Common example
bastardizations
Rare example
vasodilatations
Doubled letters
3
Ending in S
20
Most frequent letter
S (22)

Questions

How many 15-letter words matching _a__________o__ are there?

22. 9 of them are common words.

What is a common example?

BASTARDIZATIONS is among the common words in this set.