panpipe vs syrinx

panpipe and syrinx both are nouns.

Word	Noun	Adjective	Verb	Adverb
panpipe	Yes	No	No	No
syrinx	Yes	No	No	No

As nouns, panpipe and syrinx are synonyms defined as:

panpipe and syrinx: a primitive wind instrument consisting of several parallel pipes bound together

Other synonyms of panpipe include pandean pipe.

panpipe (noun)	syrinx (noun)
a primitive wind instrument consisting of several parallel pipes bound together	the vocal organ of a bird
	a primitive wind instrument consisting of several parallel pipes bound together