15-Letter Words Matching _R___A_________

There are 18 15-letter words that match _R___A_________. 5 are common words, such as CRYSTALLIZATION and PROCRASTINATING. A rarer one is TRAUMATIZATIONS. 8 words contain a doubled letter.

Full list 18

crystallizationprocrastinatingprocrastinationprocrastinatorstrivializationscrystallographycryptanalyticalergocalciferolsirreparablenessprocrastinatoryprogrammabilityprostatectomiestractablenessescrystallinitiesgrammaticalnessirritablenessestransaminationstraumatizations

About this list

Words
18 (5 common words)
Common example
crystallization
Rare example
traumatizations
Doubled letters
8
Ending in S
11

Questions

How many 15-letter words matching _r___a_________ are there?

18. 5 of them are common words.

What is a common example?

CRYSTALLIZATION is among the common words in this set.