stir up vs toss

stir up is not a noun while toss is a noun.

Word	Noun	Adjective	Verb	Adverb
stir up	No	No	Yes	No
toss	Yes	No	Yes	No

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

Other hyponyms of stir up include beat, scramble, rile, roil, poke.

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

stir up (verb)	toss (verb)
provoke or stir up	agitate
change the arrangement or position of	throw or toss with a light motion
arouse or excite feelings and passions	throw carelessly
try to stir up public opinion	lightly throw to see which side comes up
	move or stir about violently
	throw or cast away