fundamental particle vs physics

fundamental particle and physics both are nouns.

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

fundamental particle (noun)	physics (noun)
(physics) a particle that is less complex than an atom; regarded as constituents of all matter	the science of matter and energy and their interactions
	the physical properties, phenomena, and laws of something