crotchet vs curved shape

crotchet and curved shape both are nouns.

Word	Noun	Adjective	Verb	Adverb
crotchet	Yes	No	No	No
curved shape	Yes	No	No	No

As nouns, curved shape is a hypernym of crotchet; that is, curved shape is a word with a broader meaning than crotchet:

Other hypernyms of crotchet include curve.

crotchet (noun)	curved shape (noun)
a small tool or hooklike implement	the trace of a point whose direction of motion changes
a strange attitude or habit
a musical note having the time value of a quarter of a whole note
a sharp curve or crook; a shape resembling a hook