(n) (1) cis
(2) sister
(P)
(n) black currant (fre:)
Cassis (French black currant) liqueur
(n) (abbr) San Francisco
(n) (comp) LOCIS
(n) axis
(n,vs) assist
assistance
(P)
(n) (1) oasis
(2) (comp) OASYS (Fujitsu WP system)
(P)
(n) (comp) (abbr) (computer) systems administrator
(n) (abbr) system operator
sysop
(n) (1) (comp) (abbr) system component
(2) (abbr) sister complex
unnatural attachment to one's sister
(n) sister
(P)
(n) cystine
(n,adj-no) system
(P)
(n) (abbr) Sister Princess (manga, game, TV series)
(n) Narcissus (fre: Narcisse)
(n) mimesis (gre:)
(n) (comp) Unisys
(P)
(n) analysis
(n) amethyst
(n) entasis
(n) cathexis
(n) catharsis
(n) crisis
(P)
(n) chlorosis
(n) gnosis (gre:)
(n) ketosis
(n) cysteine
(n) (comp) System V (variety of Unix)
System 5
(n) systems
(P)
(n) (comp) system-name