trial-and-error vs empiric

trial-and-error and empiric both are adjectives.

Word	Noun	Adjective	Verb	Adverb
trial-and-error	No	Yes	No	No
empiric	No	Yes	No	No

trial-and-error (adjective)	empiric (adjective)
trying out various means or theories until error is satisfactorily reduced or eliminated	derived from experiment and observation rather than theory
relating to solving problems by experience rather than theory	relying on medical quackery