theoretical vs empirical

theoretical and empirical both are adjectives.

Word	Noun	Adjective	Verb	Adverb
theoretical	No	Yes	No	No
empirical	No	Yes	No	No

theoretical (adjective)	empirical (adjective)
concerned primarily with theories or hypotheses rather than practical considerations	derived from experiment and observation rather than theory
concerned with theories rather than their practical applications	relying on medical quackery