polyphonic vs contrapuntal

polyphonic and contrapuntal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
polyphonic	No	Yes	No	No
contrapuntal	No	Yes	No	No

As adjectives, polyphonic and contrapuntal are synonyms defined as:

polyphonic and contrapuntal: having two or more independent but harmonically related melodic parts sounding together

polyphonic (adjective)	contrapuntal (adjective)
having two or more independent but harmonically related melodic parts sounding together	having two or more independent but harmonically related melodic parts sounding together
of or relating to or characterized by polyphony	relating to or characteristic of or according to the rules of counterpoint
having two or more phonetic values