elliptical vs oval-shaped

elliptical and oval-shaped both are adjectives.

Word	Noun	Adjective	Verb	Adverb
elliptical	No	Yes	No	No
oval-shaped	No	Yes	No	No

As adjectives, elliptical and oval-shaped are synonyms defined as:

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

elliptical (adjective)	oval-shaped (adjective)
characterized by extreme economy of expression or omission of superfluous elements	rounded like an egg
rounded like an egg