13-Letter Words Matching _R________A__

There are 30 13-letter words that match _R________A__. 8 are common words, such as PRECAUTIONARY and PROCESSIONALS. A rarer one is TRICHOPTERANS. In this set, E is the most frequent open letter (26 words). 5 words contain a doubled letter.

Full list 30

Common words

precautionaryprocessionalsprocrastinateprofessionalsprognosticateproportionalsproportionatetransliteratearchdeaconatebrachycephalyorganotherapyprehistorians
precautionaryprocessionalsprocrastinateprofessionalsprognosticateproportionalsproportionatetransliteratearchdeaconatebrachycephalyorganotherapyprehistoriansprimogenitaryproboscideansprofessoriateprotochordateprotolanguagetransitionarypreceptorialsprecollegiatepresbyterialsproboscidiansprocathedralsprofessoriatsprosencephalaproteoglycanstranscriptasetransmembranetransmountaintrichopterans

About this list

Words
30 (8 common words)
Common example
precautionary
Rare example
trichopterans
Doubled letters
5
Ending in S
12
Most frequent letter
E (26)

Questions

How many 13-letter words matching _r________a__ are there?

30. 8 of them are common words.

What is a common example?

PRECAUTIONARY is among the common words in this set.