throw away vs unlearn

throw away and unlearn both are verbs.

Word	Noun	Adjective	Verb	Adverb
throw away	No	No	Yes	No
unlearn	No	No	Yes	No

As verbs, unlearn is a hyponym of throw away; that is, unlearn is a word with a more specific, narrower meaning than throw away:

throw away (verb)	unlearn (verb)
to remove	discard something previously learnt, like an old habit
throw or cast away	try to forget; put out of one's memory or knowledge