retract vs draw back

retract and draw back both are verbs.

Word	Noun	Adjective	Verb	Adverb
retract	No	No	Yes	No
draw back	No	No	Yes	No

As verbs, retract and draw back are synonyms defined as:

retract and draw back: use a surgical instrument to hold open (the edges of a wound or an organ)

Other synonyms of retract include pull back.

retract (verb)	draw back (verb)
formally reject or disavow a formerly held belief, usually under pressure	use a surgical instrument to hold open (the edges of a wound or an organ)
pull inward or towards a center	pull back or move away or backward
use a surgical instrument to hold open (the edges of a wound or an organ)
pull away from a source of disgust or fear