fundamental particle vs elementary particle

fundamental particle and elementary particle both are nouns.

Word	Noun	Adjective	Verb	Adverb
fundamental particle	Yes	No	No	No
elementary particle	Yes	No	No	No

As nouns, fundamental particle and elementary particle are synonyms defined as:

fundamental particle and elementary particle: (physics) a particle that is less complex than an atom; regarded as constituents of all matter

fundamental particle (noun)	elementary particle (noun)
(physics) a particle that is less complex than an atom; regarded as constituents of all matter	(physics) a particle that is less complex than an atom; regarded as constituents of all matter