curve vs road

curve and road both are nouns.

Word	Noun	Adjective	Verb	Adverb
curve	Yes	No	Yes	No
road	Yes	No	No	No

curve (noun)	road (noun)
a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter	a way or means to achieve something
curved segment (of a road or river or railroad track etc.)	an open way (generally public) for travel or transportation
the property possessed by the curving of a line or surface
a line on a graph representing data
the trace of a point whose direction of motion changes

curve (verb)	road (verb)
form a curl, curve, or kink
turn sharply; change direction abruptly
form an arch or curve
bend or cause to bend
extend in curves and turns