adult body vs chassis

adult body and chassis both are nouns.

Word	Noun	Adjective	Verb	Adverb
adult body	Yes	No	No	No
chassis	Yes	No	No	No

As nouns, chassis is a hypernym of adult body; that is, chassis is a word with a broader meaning than adult body:

Other hypernyms of adult body include anatomy, bod, build, figure, flesh, form, frame, human body, material body, physical body, physique, shape, soma.

adult body (noun)	chassis (noun)
the body of an adult human being	the skeleton of a motor vehicle consisting of a steel frame supported on springs that holds the body and motor
	a metal mounting for the circuit components of an electronic device
	alternative names for the body of a human being