13-Letter Words Matching R____A_______

There are 22 13-letter words that match R____A_______. 12 are common words, such as RADIOACTIVELY and RADIOACTIVITY. A rarer one is REMOVABLENESS. In this set, E is the most frequent open letter (21 words). 10 words contain a doubled letter.

Full list 22

radioactivelyradioactivityrearrangementreattachmentsrebroadcastedreestablishedreestablishesreincarnatingreincarnationreproachfullyretroactivelyrheumaticallyradioactivatereproachinglyretroactivityrevelationistradicalnessesrarefactionalrecreationistreengagementsreescalationsremovableness

About this list

Words
22 (12 common words)
Common example
radioactively
Rare example
removableness
Doubled letters
10
Ending in S
6
Most frequent letter
E (21)

Questions

How many 13-letter words matching r____a_______ are there?

22. 12 of them are common words.

What is a common example?

RADIOACTIVELY is among the common words in this set.