pull back vs back away

pull back and back away both are verbs.

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

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

pull back and back away: make a retreat from an earlier commitment or activity

Other synonyms of pull back include back out, crawfish, crawfish out, pull in one's horns, retreat, withdraw.

pull back (verb)	back away (verb)
make a retreat from an earlier commitment or activity	make a retreat from an earlier commitment or activity
move to a rearward position; pull towards the back
stretch back a bowstring (on an archer's bow)
use a surgical instrument to hold open (the edges of a wound or an organ)
pull back or move away or backward