9-Letter Words Matching _S_____A_

There are 22 9-letter words that match _S_____A_. 4 are common words, such as ASPHYXIAS and ASTRAKHAN. A rarer one is TSARITZAS. In this set, I is the most frequent open letter (18 words). 3 words contain a doubled letter.

Full list 22

asphyxiasastrakhanessentialpsychicalaspectualastheniasastigmiasestuarialisallobarisoclinalasceticalasclepiadaspirataeestanciasesthesiasischemiasisohyetalisophotalossicularpsoraleastsarevnastsaritzas

About this list

Words
22 (4 common words)
Common example
asphyxias
Rare example
tsaritzas
Doubled letters
3
Ending in S
9
Most frequent letter
I (18)

Questions

How many 9-letter words matching _s_____a_ are there?

22. 4 of them are common words.

What is a common example?

ASPHYXIAS is among the common words in this set.