physics vs center of buoyancy

physics and center of buoyancy both are nouns.

Word	Noun	Adjective	Verb	Adverb
physics	Yes	No	No	No
center of buoyancy	Yes	No	No	No

physics (noun)	center of buoyancy (noun)
the science of matter and energy and their interactions	(physics) the center of mass of the immersed part of ship or other floating object
the physical properties, phenomena, and laws of something