cusped vs cuspidal

cusped and cuspidal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
cusped	No	Yes	No	No
cuspidal	No	Yes	No	No

As adjectives, cusped and cuspidal are synonyms defined as:

Other synonyms of cusped include cuspate, cuspated, cuspidate, cuspidated.

cusped (adjective)	cuspidal (adjective)
having cusps or points	having cusps or points