15-Letter Words Matching R____A_________

There are 14 15-letter words that match R____A_________. 6 are common words, such as RADICALIZATIONS and RADIOACTIVITIES. A rarer one is RHEUMATOLOGISTS. 3 words contain a doubled letter.

Full list 14

radicalizationsradioactivitiesreestablishmentregularizationsreorganizationsrevitalizationsreproachfulnessradioautographsradioautographyrecanalizationsremovablenessesrepolarizationsretroactivitiesrheumatologists

About this list

Words
14 (6 common words)
Common example
radicalizations
Rare example
rheumatologists
Doubled letters
3
Ending in S
12

Questions

How many 15-letter words matching r____a_________ are there?

14. 6 of them are common words.

What is a common example?

RADICALIZATIONS is among the common words in this set.