perturbation vs physics

perturbation and physics both are nouns.

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

perturbation (noun)	physics (noun)
the act of causing disorder	the science of matter and energy and their interactions
a disposition that is confused or nervous and upset	the physical properties, phenomena, and laws of something
activity that is a malfunction, intrusion, or interruption
(physics) a secondary influence on a system that causes it to deviate slightly
an unhappy and worried mental state