disc-shaped vs discoidal

disc-shaped and discoidal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
disc-shaped	No	Yes	No	No
discoidal	No	Yes	No	No

As adjectives, disc-shaped and discoidal are synonyms defined as:

Other synonyms of disc-shaped include disclike, discoid, disk-shaped, disklike.

disc-shaped (adjective)	discoidal (adjective)
having a flat circular shape	having a flat circular shape