WordNet sense 1 (remove oneself from an obligation):

chicken out, bow out, back down, back off

WordNet sense 2 (move out or away):

get out

WordNet sense 3 (bring, take, or pull out of a container or from under a cover):

draw, pull, take out

WordNet sense 4 (remove, usually with some force or effort; also used in an abstract sense):

extract, extract, draw out, pull up