pave vs hard surface

pave is a noun but hard surface is not a noun.

Word	Noun	Adjective	Verb	Adverb
pave	Yes	No	Yes	No
hard surface	No	No	Yes	No

As verbs, hard surface is a hyponym of pave; that is, hard surface is a word with a more specific, narrower meaning than pave:

pave: cover with a material such as stone or concrete to make suitable for vehicle traffic
hard surface: cover with asphalt or a similar surface

Other hyponyms of pave include cobble, cobblestone, causeway, asphalt.

pave (noun)	hard surface (noun)
a setting with precious stones so closely set that no metal shows

pave (verb)	hard surface (verb)
cover with a material such as stone or concrete to make suitable for vehicle traffic	cover with asphalt or a similar surface