withdraw vs back off

withdraw and back off both are verbs.

Word	Noun	Adjective	Verb	Adverb
withdraw	No	No	Yes	No
back off	No	No	Yes	No

As verbs, back off is a hyponym of withdraw; that is, back off is a word with a more specific, narrower meaning than withdraw:

Other hyponyms of withdraw include back down, bow out, chicken out, pull out.

As verbs, back off is a hyponym of withdraw; that is, back off is a word with a more specific, narrower meaning than withdraw:

Other hyponyms of withdraw include fall back, retreat, retrograde, back down, back up.

withdraw (verb)	back off (verb)
keep away from others	move backwards from a certain position
remove something concrete, as by lifting, pushing, or taking off, or remove something abstract	remove oneself from an obligation
make a retreat from an earlier commitment or activity
take back what one has said
release from something that holds fast, connects, or entangles
lose interest
pull back or move away or backward
remove (a commodity) from (a supply source)
cause to be returned
break from a meeting or gathering
withdraw from active participation
retire gracefully