macadam vs paving

macadam and paving both are nouns.

Word	Noun	Adjective	Verb	Adverb
macadam	Yes	No	Yes	No
paving	Yes	No	No	No

As nouns, paving is a hypernym of macadam; that is, paving is a word with a broader meaning than macadam:

Other hypernyms of macadam include pavement, paving material.

macadam (noun)	paving (noun)
a paved surface having compressed layers of broken rocks held together with tar	the act of applying paving materials to an area
broken stone used in macadamized roadways	the paved surface of a thoroughfare
	material used to pave an area

macadam (verb)	paving (verb)
surface with macadam