chaos vs physical phenomenon

chaos and physical phenomenon both are nouns.

Word	Noun	Adjective	Verb	Adverb
chaos	Yes	No	No	No
physical phenomenon	Yes	No	No	No

As nouns, physical phenomenon is a hypernym of chaos; that is, physical phenomenon is a word with a broader meaning than chaos:

chaos: the formless and disordered state of matter before the creation of the cosmos
physical phenomenon: a natural phenomenon involving the physical properties of matter and energy

chaos (noun)	physical phenomenon (noun)
(physics) a dynamical system that is extremely sensitive to its initial conditions	a natural phenomenon involving the physical properties of matter and energy
the formless and disordered state of matter before the creation of the cosmos
a state of extreme confusion and disorder