disk-shaped vs discoidal

disk-shaped and discoidal both are adjectives.

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

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

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

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