disk-shaped vs discoid

disk-shaped and discoid both are adjectives.

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

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

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

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