WordNet sense 1 (something that bulges out or is protuberant or projects from its surroundings):

bulge, excrescence, extrusion, hump, jut, prominence, protrusion, protuberance, gibbosity, gibbousness

WordNet sense 2 (an impact (as from a collision)):

blow

WordNet sense 3 (assign to a lower position; reduce in rank):

break, demote, relegate, kick downstairs

WordNet sense 4 (come upon, as if by accident; meet with):

chance, find, happen, encounter

WordNet sense 5 (remove or force from a position of dwelling previously occupied):

dislodge, displace

WordNet sense 6 (knock against with force or violence):

knock