Synonyms and related words :
bend, bend the knee, bend the neck, bob, bob a curtsy, bob down, bootlick, bow, bow and scrape, bow down, bow the head, cower, crawl, creep, cringe, crouch, curtsy, duck, fall down before, fawn, flatter, genuflect, grovel, kowtow, lick the dust, lickspittle, make a leg, make a reverence, make obeisance, nod, salaam, scrape, stoop, toadeat, toady, truckle