6-Letter Words Matching S____O

There are 15 6-letter words that match S____O. 4 are common words, such as SCHIZO and STEREO. A rarer one is SPINTO. In this set, T is the most frequent open letter (8 words). 3 words contain a doubled letter.

Full list 15

schizostereostuccostudiosmaltosolanostingostinkosubitoshackoskidoosleazosorghospeedospinto

About this list

Words
15 (4 common words)
Common example
schizo
Rare example
spinto
Doubled letters
3
Ending in S
0
Most frequent letter
T (8)

Questions

How many 6-letter words matching s____o are there?

15. 4 of them are common words.

What is a common example?

SCHIZO is among the common words in this set.