12-Letter Words Containing RRA

There are 22 12-letter words that contain RRA. 9 are common words, such as ABERRATIONAL and ARRAIGNMENTS. A rarer one is UNIRRADIATED. In this set, N is the most frequent open letter (20 words). 22 words contain a doubled letter.

Full list 22

aberrationalarraignmentsarrangementsdisarrangingembarrassingirradiationsirrationallyprearrangingsubterraneanblackcurrantcarrageenansdisembarrasstarradiddlescarrageeninscounterraidscounterrallynonnarrativeoverarrangedoverarrangessusurrationsterraformingunirradiated

About this list

Words
22 (9 common words)
Common example
aberrational
Rare example
unirradiated
Doubled letters
22
Ending in S
10
Most frequent letter
N (20)

Questions

How many 12-letter words containing rra are there?

22. 9 of them are common words.

What is a common example?

ABERRATIONAL is among the common words in this set.