try-on vs trial

try-on and trial both are nouns.

Word	Noun	Adjective	Verb	Adverb
try-on	Yes	No	No	No
trial	Yes	No	No	No

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

Other hypernyms of try-on include run, test.

try-on (noun)	trial (noun)
putting clothes on to see whether they fit	the act of testing something
	(law) the determination of a person's innocence or guilt by due process of law
	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