15-Letter Words Matching _____R___A_____

There are 31 15-letter words that match _____R___A_____. 5 are common words, such as BASTARDIZATIONS and FRATERNIZATIONS. A rarer one is WESTERNISATIONS. In this set, I is the most frequent open letter (30 words). 10 words contain a doubled letter.

Full list 31

Common words

bastardizationsfraternizationstatterdemalionsunsportsmanlikewesternizationsdefibrillationselectroanalysiselectrodialysisforeordinationsincoordinationspolycrystallinechondrocraniums
bastardizationsfraternizationstatterdemalionsunsportsmanlikewesternizationsdefibrillationselectroanalysiselectrodialysisforeordinationsincoordinationspolycrystallinechondrocraniumsdespiritualizeddespiritualizeselectroanalyseselectrodialyseselectrodialyticmiscorrelationsmonocrystallinemultiracialismsnoncorrelationsnonpartisanshipoverprogrammingpreterminationsrespiritualizedrespiritualizessemicrystallinespectrographiesunappreciationsuniformitarianswesternisations

About this list

Words
31 (5 common words)
Common example
bastardizations
Rare example
westernisations
Doubled letters
10
Ending in S
22
Most frequent letter
I (30)

Questions

How many 15-letter words matching _____r___a_____ are there?

31. 5 of them are common words.

What is a common example?

BASTARDIZATIONS is among the common words in this set.