convex shape vs tip

convex shape and tip both are nouns.

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

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

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

convex shape (noun)	tip (noun)
a shape that curves or bulges outward	an indication of potential opportunity
	the extreme end of something; especially something pointed
	the top or extreme point of something (usually a mountain or hill)
	a relatively small amount of money given for services rendered (as by a waiter)
	a V shape

convex shape (verb)	tip (verb)
	mark with a tip
	remove the tip from
	give insider information or advise to
	strike lightly
	walk on one's toes
	to incline or bend from a vertical position
	cause to tilt
	cause to topple or tumble by pushing
	give a tip or gratuity to in return for a service, beyond the compensation agreed on