Oh boy, there are tons. Here are a few:
Stealth
Sash
Search
Stitch
Snatch
Sasquatch
Scissors is an 8 letter word. It begins and ends with S.
Sasquatch, sixteenth, squeamish
ester, essence (eg, vanilla)
Scissors is an 8 letter word. It begins and ends with S.
satisfactions
shortstops
Athens
s
Science begins with an "s" and ends with and "e"
sensuous spacious
Sixty eight.