same, scum, seam, sham, sing, skim, slam, slap, slab, smug, snug, some, spar, spur, stun, such, swam, swim, swum, swan, swag, swig
sand
The word is "souq."
bnmn
saga
A 13-letter word that starts with "s" and ends with "s" is "schoolteachers."
soux
spay, stay, slay,
Ants
· umps · urns · uses
Stop is a word of warning. It starts with the letter s. Shut up also can be a word of warning.
Suet
STIX !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Could be a four letter word that starts with s and ends with x