try vs endeavour

try and endeavour both are nouns.

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

As nouns, try and endeavour are synonyms defined as:

try and endeavour: earnest and conscientious activity intended to do or accomplish something

Other synonyms of try include attempt, effort, endeavor.

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

try (noun)	endeavour (noun)
earnest and conscientious activity intended to do or accomplish something	earnest and conscientious activity intended to do or accomplish something
	a purposeful or industrious undertaking (especially one that requires effort or boldness)

try (verb)	endeavour (verb)
put on a garment in order to see whether it fits and looks nice	attempt by employing effort
melt (fat or lard) in order to separate out impurities
take a sample of
test the limits of
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