(n) cycasin
(n) psychic
(n) cyclo-C
cyclocytidine
(n) cyclone
(P)
(n) sisal hemp
(n) sizing
(n) (uk) hornbill (any bird of family Bucerotidae)
(n) sidecar
(P)
(n) sidebar (as on a web page)
(n) sinus gland
(n) cineraria
(n) siphon
(n) cypress
(n) (comp) SYBASE
(n) cyborg
cybernetic organism
(n) silage
(n) silence
(n) silent
(P)
(n) thyronine
(n,vs) sign-in
(n,vs) (comp) sign off
(n,vs) (comp) sign on
(n) felt-tip pen (wasei: sign pen)
(n) sinusoid
sine curve
(n,adj-no) autographed
signed
(P)
(n) (comp) sub-site
(n) seaside
(n) cine sign
(n) Javan rhinoceros (Rhinoceros sondaicus)
(n) zoisite