7-Letter Words Matching S_____O

There are 22 7-letter words that match S_____O. 7 are common words, such as SAGUARO and SCHERZO. A rarer one is SUBECHO. In this set, R is the most frequent open letter (13 words). 5 words contain a doubled letter.

Full list 22

saguaroscherzosemiproshampoosiroccosopranosubzerosahuarosapsagosentimoserpigosfumatosordinostrettosupremosynchroscaladosecondosenecioserranoskiddoosubecho

About this list

Words
22 (7 common words)
Common example
saguaro
Rare example
subecho
Doubled letters
5
Ending in S
0
Most frequent letter
R (13)

Questions

How many 7-letter words matching s_____o are there?

22. 7 of them are common words.

What is a common example?

SAGUARO is among the common words in this set.