convexity vs camber

convexity and camber both are nouns.

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

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

Other hyponyms of convexity include umbo, entasis, knob, node, thickening, ridge, peak, point, tip, taper, projection.

convexity (noun)	camber (noun)
the property possessed by a convex shape	the alignment of the wheels of a motor vehicle closer together at the bottom than at the top
a shape that curves or bulges outward	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 slight convexity (as of the surface of a road)

convexity (verb)	camber (verb)
	curve upward in the middle