camber vs convex shape

camber and convex shape both are nouns.

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

As nouns, convex shape is a hypernym of camber; that is, convex shape is a word with a broader meaning than camber:

Other hypernyms of camber include convexity.

camber (noun)	convex shape (noun)
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)

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