convex shape vs camber

convex shape and camber both are nouns.

Word	Noun	Adjective	Verb	Adverb
convex shape	Yes	No	No	No
camber	Yes	No	Yes	No

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

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

convex shape (noun)	camber (noun)
a shape that curves or bulges outward	the alignment of the wheels of a motor vehicle closer together at the bottom than at the top
	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)

convex shape (verb)	camber (verb)
	curve upward in the middle