shepherd's pipe vs flageolet

shepherd's pipe and flageolet both are nouns.

Word	Noun	Adjective	Verb	Adverb
shepherd's pipe	Yes	No	No	No
flageolet	Yes	No	No	No

As nouns, shepherd's pipe and flageolet are synonyms defined as:

shepherd's pipe and flageolet: a small fipple flute with four finger holes and two thumb holes

Other synonyms of shepherd's pipe include treble recorder.

shepherd's pipe (noun)	flageolet (noun)
a small fipple flute with four finger holes and two thumb holes	a small fipple flute with four finger holes and two thumb holes
a small bagpipe formerly popular in France	a French bean variety with light-colored seeds; usually dried