try vs struggle

try and struggle both are nouns.

Word	Noun	Adjective	Verb	Adverb
try	Yes	No	Yes	No
struggle	Yes	No	Yes	No

As nouns, struggle is a hyponym of try; that is, struggle is a word with a more specific, narrower meaning than try:

try: earnest and conscientious activity intended to do or accomplish something
struggle: an energetic attempt to achieve something

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

try (noun)	struggle (noun)
earnest and conscientious activity intended to do or accomplish something	strenuous effort
	an energetic attempt to achieve something
	an open clash between two opposing groups (or individuals)

try (verb)	struggle (verb)
put on a garment in order to see whether it fits and looks nice	be engaged in a fight; carry on a fight
melt (fat or lard) in order to separate out impurities	to exert strenuous effort against opposition
take a sample of	climb awkwardly, as if by scrambling
test the limits of	make a strenuous or labored effort
give pain or trouble to
make an effort or attempt
put to the test, as for its quality, or give experimental use to
examine or hear (evidence or a case) by judicial process
put on trial or hear a case and sit as the judge at the trial of