troth

n (arch 古) (idm 习语) plight one's troth => plight2.

troglodyte, troika, Trojan, Trojan horse, troll, trolley, trolley bus, trollop, trombone, trombonist, troop, troop-ship, trooper, trope, trophy, tropic, tropical, tropically, troposphere, Trot, Trotskyism, Trotskyist, trotter, troubadour, trouble, trouble-maker, trouble-shooter, trouble-spot, troubled, troublesome, trough, trounce, troupe, trouper, trouser, trouser-suit, trousers, trousseau, trout, trowel,