sweet-smelling vs sweet-scented

sweet-smelling and sweet-scented both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sweet-smelling	No	Yes	No	No
sweet-scented	No	Yes	No	No

As adjectives, sweet-smelling and sweet-scented are synonyms defined as:

Other synonyms of sweet-smelling include odoriferous, odorous, perfumed, scented, sweet.

sweet-smelling (adjective)	sweet-scented (adjective)
having a natural fragrance	having a natural fragrance