discoidal vs discoid

discoidal and discoid both are adjectives.

Word	Noun	Adjective	Verb	Adverb
discoidal	No	Yes	No	No
discoid	No	Yes	No	No

As adjectives, discoidal and discoid are synonyms defined as:

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

discoidal (adjective)	discoid (adjective)
having a flat circular shape	having a flat circular shape