toss vs unlearn

toss is a noun but unlearn is not a noun.

Word	Noun	Adjective	Verb	Adverb
toss	Yes	No	Yes	No
unlearn	No	No	Yes	No

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

toss (noun)	unlearn (noun)
(sports) the act of throwing the ball to another member of your team
the act of flipping a coin
an abrupt movement

toss (verb)	unlearn (verb)
agitate	discard something previously learnt, like an old habit
throw or toss with a light motion	try to forget; put out of one's memory or knowledge
throw carelessly
lightly throw to see which side comes up
move or stir about violently
throw or cast away