Sabotaged, saboteurs, saccharin, sacrament, sacrifice, sacrilege, saddening, safeguard, sailboats, sailboard, serenader, severance, sidelined, sideboards, sideburns, sidekicks, sleepwalk, smothered, somewhere, spiritual, stripping, strongest, submitted, swordlike
Any 9-letter word that starts with s? Start with statetroom
Sometimes, sovereign
registrar
startling
That's startling.
sixteenth, squeamish
Kangaroos, keepsakes.
ludicrous litigious
strengths
Sasquatch, sixteenth, squeamish
Here's a quick one smooching
A 13-letter word that starts with "s" and ends with "s" is "schoolteachers."