elliptic vs prolate

elliptic and prolate both are adjectives.

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

As adjectives, elliptic and prolate are synonyms defined as:

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

elliptic (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
(of a leaf shape) in the form of an ellipse