curvy vs sonsie

curvy and sonsie both are adjectives.

Word	Noun	Adjective	Verb	Adverb
curvy	No	Yes	No	No
sonsie	No	Yes	No	No

As adjectives, curvy and sonsie are synonyms defined as:

curvy and sonsie: (of a woman's body) having a large bosom and pleasing curves

Other synonyms of curvy include bosomy, busty, buxom, curvaceous, full-bosomed, sonsy, stacked, voluptuous, well-endowed.

curvy (adjective)	sonsie (adjective)
having curves	(of a woman's body) having a large bosom and pleasing curves
(of a woman's body) having a large bosom and pleasing curves