fipple pipe vs fipple flute

fipple pipe and fipple flute both are nouns.

Word	Noun	Adjective	Verb	Adverb
fipple pipe	Yes	No	No	No
fipple flute	Yes	No	No	No

As nouns, fipple pipe and fipple flute are synonyms defined as:

fipple pipe and fipple flute: a tubular wind instrument with 8 finger holes and a fipple mouthpiece

Other synonyms of fipple pipe include recorder, vertical flute.

fipple pipe (noun)	fipple flute (noun)
a tubular wind instrument with 8 finger holes and a fipple mouthpiece	a tubular wind instrument with 8 finger holes and a fipple mouthpiece