elliptical vs prolate

elliptical and prolate both are adjectives.

Word	Noun	Adjective	Verb	Adverb
elliptical	No	Yes	No	No
prolate	No	Yes	No	No

As adjectives, elliptical and prolate are synonyms defined as:

Other synonyms of elliptical include egg-shaped, elliptic, oval-shaped, oval, ovate, oviform, ovoid.

elliptical (adjective)	prolate (adjective)
characterized by extreme economy of expression or omission of superfluous elements	having the polar diameter greater than the equatorial diameter
rounded like an egg	rounded like an egg