toss vs deep-six

toss is a noun but deep-six is not a noun.

Word	Noun	Adjective	Verb	Adverb
toss	Yes	No	Yes	No
deep-six	No	No	Yes	No

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

toss (noun)	deep-six (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)	deep-six (verb)
agitate	throw from a boat
throw or toss with a light motion	toss out; get rid of
throw carelessly
lightly throw to see which side comes up
move or stir about violently
throw or cast away