paved surface vs runway

paved surface and runway both are nouns.

Word	Noun	Adjective	Verb	Adverb
paved surface	Yes	No	No	No
runway	Yes	No	No	No

As nouns, runway is a hyponym of paved surface; that is, runway is a word with a more specific, narrower meaning than paved surface:

Other hyponyms of paved surface include apron, pavement, paving, road surface, skidpan, macadam, tarmac, tarmacadam, taxi strip, taxiway.

paved surface (noun)	runway (noun)
a level horizontal surface covered with paving material	a strip of level paved surface where planes can take off and land
	a narrow platform extending from the stage into the audience in a theater or nightclub etc.
	a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll
	a chute down which logs can slide