relativity vs scientific theory

relativity and scientific theory both are nouns.

Word	Noun	Adjective	Verb	Adverb
relativity	Yes	No	No	No
scientific theory	Yes	No	No	No

As nouns, scientific theory is a hypernym of relativity; that is, scientific theory is a word with a broader meaning than relativity:

relativity: (physics) the theory that space and time are relative concepts rather than absolute concepts
scientific theory: a theory that explains scientific observations

relativity (noun)	scientific theory (noun)
the quality of being relative and having significance only in relation to something else	a theory that explains scientific observations
(physics) the theory that space and time are relative concepts rather than absolute concepts