melody pipe vs chanter

melody pipe and chanter both are nouns.

Word	Noun	Adjective	Verb	Adverb
melody pipe	Yes	No	No	No
chanter	Yes	No	No	No

As nouns, melody pipe and chanter are synonyms defined as:

melody pipe and chanter: reed pipe with finger holes on which the melody is played

melody pipe (noun)	chanter (noun)
reed pipe with finger holes on which the melody is played	reed pipe with finger holes on which the melody is played