trial vs attempt

trial and attempt both are nouns.

Word	Noun	Adjective	Verb	Adverb
trial	Yes	No	No	No
attempt	Yes	No	Yes	No

As nouns, attempt is a hypernym of trial; that is, attempt is a word with a broader meaning than trial:

trial: the act of testing something
attempt: earnest and conscientious activity intended to do or accomplish something

Other hypernyms of trial include effort, endeavor, endeavour, try.

As nouns, attempt is a hypernym of trial; that is, attempt is a word with a broader meaning than trial:

trial: the act of undergoing testing
attempt: earnest and conscientious activity intended to do or accomplish something

Other hypernyms of trial include effort, endeavor, endeavour, try.

trial (noun)	attempt (noun)
the act of testing something	earnest and conscientious activity intended to do or accomplish something
(law) the determination of a person's innocence or guilt by due process of law	the act of attacking
the act of undergoing testing
trying something to find out about it
an annoying or frustrating or catastrophic event
(sports) a preliminary competition to determine qualifications

trial (verb)	attempt (verb)
	enter upon an activity or enterprise
	make an effort or attempt