represent vs support

represent is not a noun while support is a noun.

Word	Noun	Adjective	Verb	Adverb
represent	No	No	Yes	No
support	Yes	No	Yes	No

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

Other hyponyms of represent include make, make believe, pretend, act out, enact, reenact, act out, impersonate, portray, parody, emote.

represent (noun)	support (noun)
	aiding the cause or policy or interests of
	the act of bearing the weight of or strengthening
	documentary validation
	a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission
	the activity of providing for or maintaining by supplying with money or necessities
	any device that bears the weight of another thing
	supporting structure that holds up or provides a foundation
	something providing immaterial assistance to a person or cause or interest
	a musical part (vocal or instrumental) that supports or provides background for other musical parts
	the financial means whereby one lives
	financial resources provided to make some project possible

represent (verb)	support (verb)
to establish a mapping (of mathematical elements or sets)	establish or strengthen as with new evidence or facts
serve as a means of expressing something	put up with something or somebody unpleasant
express indirectly by an image, form, or model; be a symbol	adopt as a belief
point out or draw attention to in protest or remonstrance	argue or speak in defense of
bring forward and present to the mind	be a regular customer or client of
describe or present, usually with respect to a particular quality	be the physical support of; carry the weight of
create an image or likeness of	play a subordinate role to (another performer)
play a role or part	support materially or financially
perform (a play), especially on a stage	give moral or psychological support, aid, or courage to
be a delegate or spokesperson for; represent somebody's interest or be a proxy or substitute for, as of politicians and office holders representing their constituents, or of a tenant representing other tenants in a housing dispute	be behind; approve of
be representative or typical for	support with evidence or authority or make more certain or confirm
be the defense counsel for someone in a trial
form or compose
be typical of
take the place of or be parallel or equivalent to