move back vs pull away

move back and pull away both are verbs.

Word	Noun	Adjective	Verb	Adverb
move back	No	No	Yes	No
pull away	No	No	Yes	No

As verbs, move back and pull away are synonyms defined as:

Other synonyms of move back include draw back, pull back, recede, retire, retreat, withdraw.

move back (verb)	pull away (verb)
pull back or move away or backward	pull back or move away or backward