acoustics vs physics

acoustics and physics both are nouns.

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

As nouns, physics is a hypernym of acoustics; that is, physics is a word with a broader meaning than acoustics:

Other hypernyms of acoustics include physical science.

acoustics (noun)	physics (noun)
the study of the physical properties of sound	the science of matter and energy and their interactions
	the physical properties, phenomena, and laws of something