WordNet sense 1 (the destruction or collapse of something):

wrack

WordNet sense 2 (an instrument of torture that stretches or disjoints or mutilates victims):

wheel

WordNet sense 3 (a support for displaying various articles):

stand

WordNet sense 4 (obtain by coercion or intimidation):

extort, gouge, squeeze, wring

WordNet sense 5 (go at a rack):

single-foot

WordNet sense 6 (run before a gale):

scud

WordNet sense 7 (torment emotionally or mentally):

torment, torture, excruciate, torment