pennywhistle vs recorder

pennywhistle and recorder both are nouns.

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

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

pennywhistle: an inexpensive fipple flute
recorder: a tubular wind instrument with 8 finger holes and a fipple mouthpiece

Other hypernyms of pennywhistle include fipple flute, fipple pipe, vertical flute.

pennywhistle (noun)	recorder (noun)
an inexpensive fipple flute	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