paving vs macadam

paving and macadam both are nouns.

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

As nouns, macadam is a hyponym of paving; that is, macadam is a word with a more specific, narrower meaning than paving:

Other hyponyms of paving include asphalt, concrete, blacktop, blacktopping, tarmac, tarmacadam.

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

paving (verb)	macadam (verb)
	surface with macadam