treble recorder vs flageolet

treble recorder and flageolet both are nouns.

Word	Noun	Adjective	Verb	Adverb
treble recorder	Yes	No	No	No
flageolet	Yes	No	No	No

As nouns, treble recorder and flageolet are synonyms defined as:

treble recorder and flageolet: a small fipple flute with four finger holes and two thumb holes

Other synonyms of treble recorder include shepherd's pipe.

treble recorder (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 French bean variety with light-colored seeds; usually dried