trialled

As verbs the difference between tested and trialled

is that tested is (test) while trialled is (trial).

As verbs the difference between trialled and trial

is that trialled is past tense of trial while trial is to carry out a series of tests on (a new product, procedure etc.) before marketing or implementing it.

As a noun trial is

an opportunity to test something out; a test.

As an adjective trial is

pertaining to a trial or test.

As verbs the difference between trialled and trailed

is that trialled is past tense of trial while trailed is past tense of trail.

As verbs the difference between trialled and trilled

is that trialled is past tense of trial while trilled is past tense of trill.

As a noun trialler

is a horse used for trialling.

As a verb trialled is

(trial).

As verbs the difference between trialed and trialled

is that trialed is past tense of trial while trialled is past tense of trial.