主 （シュ） (one's) master, (one's) employer, (one's) lord, leader (of a country, group, etc.), head, chief, Lord, main thing, chief part, first consideration, primary object, principal aim

主 （シュウ） (one's) master, (one's) employer, (one's) lord

自主 （ジシュ） independence, autonomy, self-reliance

盟主 （メイシュ） leader (of an alliance), leading power

主 （ス） honorific (or familiar) suffix used after a name

法主 （ホッス） high priest

座主 （ザス） temple's head priest

主 （シュウ） (one's) master, (one's) employer, (one's) lord

主従 （シュウジュウ） master and servant, lord and retainer, employer and employee

男主 （オトコアルジ） male head of a household, male owner, landlord, proprietor, male employer

主 （ぬし） head (of a household, etc.), leader, master, owner, proprietor, proprietress, subject (of a rumour, etc.), doer (of a deed), guardian spirit (e.g. long-resident beast, usu. with mystical powers), long-time resident (or employee, etc.), husband, you

馬主 （うまぬし） owner of a horse (esp. racehorse), registered owner (of a racehorse)

船主 （せんしゅ） shipowner

主 （おも） chief, main, principal, important, main secondary or supporting role (in kyogen)

主に （おもに） mainly, primarily, mostly, largely, chiefly

主 （あるじ） head (of a household), proprietor (of a store), proprietress, landlord, landlady, master (of a servant), entertaining someone as one's guest

男主 （おとこあるじ） male head of a household, male owner, landlord, proprietor, male employer

女主 （おんなあるじ） female owner, proprietress, landlady, female head of a household