上司【じょうし】
(one's) superior, (one's) boss, the higher-ups
司令官【しれいかん】
commandant, commanding officer, general
司会【しかい】
leading a meeting, presiding over a meeting, officiating at a ceremony, chairmanship, chairman, presenter, host, moderator, master of ceremonies
司会者【しかいしゃ】
chairman, moderator, toastmaster, master of ceremonies, chairperson, host (of a TV show, etc.)
司令部【しれいぶ】
headquarters
寿司【すし】
sushi, anything made with vinegared rice (may also contain vegetables, spices, fish, or other delicacies)
司祭【しさい】
priest, minister, pastor
司法【しほう】
administration of justice
司令【しれい】
command, control, commander
司書【ししょ】
librarian
公司【コンス】
company (in China), firm
行司【ぎょうじ】
referee
司法裁判【しほうさいばん】
judicial trial
司教【しきょう】
bishop (Catholic)
宮司【ぐうじ】
chief priest
司法書士【しほうしょし】
judicial scrivener, judicial clerk, person qualified to prepare legal documents, handle real-estate transactions, etc.
司法権【しほうけん】
judicial power, jurisdiction
大司教【だいしきょう】
archbishop (Catholic)
司直【しちょく】
judge, judiciary, administration of justice, judicial authorities
司法研修所【しほうけんしゅうじょ】
Judicial Research and Training Institute