toss vs fling

toss and fling both are nouns.

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

As verbs, fling is a hypernym of toss; that is, fling is a word with a broader meaning than toss:

As verbs, toss and fling are synonyms defined as:

toss (noun)	fling (noun)
(sports) the act of throwing the ball to another member of your team	a brief indulgence of your impulses
the act of flipping a coin	a usually brief attempt
an abrupt movement	the act of flinging

toss (verb)	fling (verb)
agitate	throw with force or recklessness
throw or toss with a light motion	move in an abrupt or headlong manner
throw carelessly	indulge oneself
lightly throw to see which side comes up	throw or cast away
move or stir about violently
throw or cast away