兵士【へいし】
soldier
弁護士【べんごし】
lawyer, attorney
博士【はかせ】
expert, learned person, doctor, PhD, Dr., instructor at the imperial court (ritsuryō period), pitch and length marks (to accompany a Buddhist liturgical chant, etc.)
同士【どうし】
fellow, mutual, companion, comrade
戦士【せんし】
soldier, combatant, warrior
博士【はくし】
doctor, PhD, Dr.
騎士【きし】
(medieval) knight, samurai on horseback
闘士【とうし】
fighter (for), militant, champion (of), boxer
力士【りきし】
sumo wrestler, rikishi, strong man, Deva king
富士山【ふじさん】
Mount Fuji, Mt. Fuji, Fujiyama, Fuji-san
代議士【だいぎし】
parliamentarian, member of a congress
棋士【きし】
professional shogi player, professional go player
士気【しき】
morale (of troops, team, etc.), esprit de corps
栄養士【えいようし】
dietitian, (licensed) nutritionist
飛行士【ひこうし】
pilot
国士【こくし】
distinguished citizen, patriot
税理士【ぜいりし】
tax counsellor, tax counselor, licensed tax accountant
学士【がくし】
university graduate, bachelor, bachelor's degree
修士課程【しゅうしかてい】
master's course
修士【しゅうし】
master's (academic degree)