flageolet vs haricot

flageolet and haricot both are nouns.

Word	Noun	Adjective	Verb	Adverb
flageolet	Yes	No	No	No
haricot	Yes	No	No	No

As nouns, flageolet and haricot are synonyms defined as:

flageolet and haricot: a French bean variety with light-colored seeds; usually dried

flageolet (noun)	haricot (noun)
a small fipple flute with four finger holes and two thumb holes	a French bean variety with light-colored seeds; usually dried
a French bean variety with light-colored seeds; usually dried	a French variety of green bean plant bearing light-colored beans