curlicue vs round shape

curlicue and round shape both are nouns.

Word	Noun	Adjective	Verb	Adverb
curlicue	Yes	No	No	No
round shape	Yes	No	No	No

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

curlicue: a round shape formed by a series of concentric circles (as formed by leaves or flower petals)
round shape: a shape that is curved and without sharp angles

curlicue (noun)	round shape (noun)
a short twisting line	a shape that is curved and without sharp angles
a round shape formed by a series of concentric circles (as formed by leaves or flower petals)