arc vs camber

arc and camber both are nouns.

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

As verbs, camber is a hyponym of arc; that is, camber is a word with a more specific, narrower meaning than arc:

arc (noun)	camber (noun)
electrical conduction through a gas in an applied electric field	the alignment of the wheels of a motor vehicle closer together at the bottom than at the top
a continuous portion of a circle	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
something curved in shape	a slight convexity (as of the surface of a road)

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