flute vs nose flute

flute and nose flute both are nouns.

Word	Noun	Adjective	Verb	Adverb
flute	Yes	No	Yes	No
nose flute	Yes	No	No	No

As nouns, nose flute is a hyponym of flute; that is, nose flute is a word with a more specific, narrower meaning than flute:

flute: a high-pitched woodwind instrument; a slender tube closed at one end with finger holes on one end and an opening near the closed end across which the breath is blown
nose flute: a flute that is played by blowing through the nostrils

Other hyponyms of flute include fife, piccolo, Boehm flute, C flute, transverse flute, Western concert flute.

flute (noun)	nose flute (noun)
a high-pitched woodwind instrument; a slender tube closed at one end with finger holes on one end and an opening near the closed end across which the breath is blown	a flute that is played by blowing through the nostrils
a groove or furrow in cloth etc (particularly a shallow concave groove on the shaft of a column)
a tall narrow wineglass

flute (verb)	nose flute (verb)
form flutes in