6-Letter Words Matching ___S_A

There are 24 6-letter words that match ___S_A. 8 are common words, such as CASSIA and FIESTA. A rarer one is VIZSLA. In this set, I is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 24

cassiafiestafrustageishamiasmanauseaplasmasiestaaristacristacuestaegestaglossapoishatarsiazoysiaabasiaalaskaamusiabugshabuqshacrissasubseavizsla

About this list

Words
24 (8 common words)
Common example
cassia
Rare example
vizsla
Doubled letters
3
Ending in S
0
Most frequent letter
I (14)

Questions

How many 6-letter words matching ___s_a are there?

24. 8 of them are common words.

What is a common example?

CASSIA is among the common words in this set.