event vs relativity

event and relativity both are nouns.

Word	Noun	Adjective	Verb	Adverb
event	Yes	No	No	No
relativity	Yes	No	No	No

event (noun)	relativity (noun)
something that happens at a given place and time	the quality of being relative and having significance only in relation to something else
a phenomenon located at a single point in space-time; the fundamental observational entity in relativity theory	(physics) the theory that space and time are relative concepts rather than absolute concepts
a phenomenon that follows and is caused by some previous phenomenon
a special set of circumstances