fling vs throw away

fling is a noun but throw away is not a noun.

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

As verbs, fling and throw away are synonyms defined as:

fling (noun)	throw away (noun)
a brief indulgence of your impulses
a usually brief attempt
the act of flinging

fling (verb)	throw away (verb)
throw with force or recklessness	to remove
move in an abrupt or headlong manner	throw or cast away
indulge oneself
throw or cast away