(n) side lobe
(n) side work
side job
(n) Sinology
(n) cyberterrorism
(n) cybercop
(n) cybersleuth
(n) cybercrime
(n) simulcast
simultaneous broadcast
(n) thyristor
(n) (comp) Cyrix
(n) light stick (from Cyalume (tradename))
glow stick
(n) silencer
(n) Thyroxin
(n) psilocybin
(n) (comp) sign out
(n) sign up
(n) autograph album (wasei: sign book)
(n) sign play
(n) signboard
(n) signed ball
(n) subtitle
(P)
(n) (comp) subdomain
(n) subprime
(n) supplier
(P)
(n) daylight savings time (summertime)
(n) (comp) thumb wheel
(n) (uk) Polyergus samurai (species of amazon ant)
(n) salad oil
(n) thalidomide
(n) (uk) yellow stem borer (species of moth, Scirpophaga incertulas)