15-Letter Words Matching _R_________A___

There are 24 15-letter words that match _R_________A___. 5 are common words, such as ARCHITECTURALLY and PREHISTORICALLY. A rarer one is TRYPANOSOMIASES. In this set, T is the most frequent open letter (22 words). 16 words contain a doubled letter.

Full list 24

architecturallyprehistoricallyprepositionallypreternaturallyproblematicallycrystallographydramaturgicallygravimetricallygravitationallyorthodonticallyorthopsychiatryprestidigitatorproprietoriallytribromoethanoltrypanosomiasisarcheologicallycryoprotectantsorientationallyorthophosphatespremillenniallypresynapticallyproteolyticallytrihalomethanestrypanosomiases

About this list

Words
24 (5 common words)
Common example
architecturally
Rare example
trypanosomiases
Doubled letters
16
Ending in S
5
Most frequent letter
T (22)

Questions

How many 15-letter words matching _r_________a___ are there?

24. 5 of them are common words.

What is a common example?

ARCHITECTURALLY is among the common words in this set.