treble recorder vs recorder

treble recorder and recorder both are nouns.

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

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

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

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

treble recorder (noun)	recorder (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
	equipment for making records
	someone responsible for keeping records
	a barrister or solicitor who serves as part-time judge in towns or boroughs