physics vs energy

physics and energy both are nouns.

Word	Noun	Adjective	Verb	Adverb
physics	Yes	No	No	No
energy	Yes	No	No	No

physics (noun)	energy (noun)
the science of matter and energy and their interactions	forceful exertion
the physical properties, phenomena, and laws of something	an imaginative lively style (especially style of writing)
	enterprising or ambitious drive
	(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
	any source of usable power
	a healthy capacity for vigorous activity