experiment vs trial

experiment and trial both are nouns.

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

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

Other hyponyms of experiment include pilot experiment, test, trial run, tryout.

experiment (noun)	trial (noun)
the act of conducting a controlled test or investigation	the act of testing something
a venture at something new or different	(law) the determination of a person's innocence or guilt by due process of law
the testing of an idea	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

experiment (verb)	trial (verb)
to conduct a test or investigation
try something new, as in order to gain experience