7-Letter Words Matching R_____A

There are 24 7-letter words that match R_____A. 9 are common words, such as REGALIA and REGATTA. A rarer one is ROSARIA. In this set, I is the most frequent open letter (14 words). 4 words contain a doubled letter.

Full list 24

regaliaregattareplicaresiduaretsinaricksharicottarotundarubellarasboraratafiarivierarobiniaroseolarubeolarufiyaaramentarefugiaregmatarhizomarhodorarikisharobustarosaria

About this list

Words
24 (9 common words)
Common example
regalia
Rare example
rosaria
Doubled letters
4
Ending in S
0
Most frequent letter
I (14)

Questions

How many 7-letter words matching r_____a are there?

24. 9 of them are common words.

What is a common example?

REGALIA is among the common words in this set.