treble recorder vs fipple pipe

treble recorder and fipple pipe both are nouns.

Word	Noun	Adjective	Verb	Adverb
treble recorder	Yes	No	No	No
fipple pipe	Yes	No	No	No

As nouns, fipple pipe is a hypernym of treble recorder; that is, fipple pipe is a word with a broader meaning than treble recorder:

treble recorder: a small fipple flute with four finger holes and two thumb holes
fipple pipe: a tubular wind instrument with 8 finger holes and a fipple mouthpiece

Other hypernyms of treble recorder include fipple flute, recorder, vertical flute.

treble recorder (noun)	fipple pipe (noun)
a small fipple flute with four finger holes and two thumb holes	a tubular wind instrument with 8 finger holes and a fipple mouthpiece