cone shape vs round shape

cone shape and round shape both are nouns.

Word	Noun	Adjective	Verb	Adverb
cone shape	Yes	No	No	No
round shape	Yes	No	No	No

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

cone shape: a shape whose base is a circle and whose sides taper up to a point
round shape: a shape that is curved and without sharp angles

cone shape (noun)	round shape (noun)
a shape whose base is a circle and whose sides taper up to a point	a shape that is curved and without sharp angles