camber vs arc

camber and arc both are nouns.

Word	Noun	Adjective	Verb	Adverb
camber	Yes	No	Yes	No
arc	Yes	No	Yes	No

As verbs, arc is a hypernym of camber; that is, arc is a word with a broader meaning than camber:

Other hypernyms of camber include arch, curve.

camber (noun)	arc (noun)
the alignment of the wheels of a motor vehicle closer together at the bottom than at the top	electrical conduction through a gas in an applied electric field
a slope in the turn of a road or track; the outside is higher than the inside in order to reduce the effects of centrifugal force	a continuous portion of a circle
a slight convexity (as of the surface of a road)	something curved in shape

camber (verb)	arc (verb)
curve upward in the middle	form an arch or curve