As nouns the difference between courts and trial
is that
courts is while
trial is an opportunity to test something out; a test.
As verbs the difference between courts and trial
is that
courts is (
court) while
trial is to carry out a series of tests on (a new product, procedure etc) before marketing or implementing it.
As an adjective trial is
pertaining to a trial or test or
trial can be characterized by having three (usually equivalent) components.