sweet coltsfoot vs winter heliotrope

sweet coltsfoot and winter heliotrope both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet coltsfoot	Yes	No	No	No
winter heliotrope	Yes	No	No	No

As nouns, sweet coltsfoot and winter heliotrope are synonyms defined as:

sweet coltsfoot and winter heliotrope: European herb with vanilla-scented white-pink flowers

Other synonyms of sweet coltsfoot include Petasites fragrans.

sweet coltsfoot (noun)	winter heliotrope (noun)
European herb with vanilla-scented white-pink flowers	European herb with vanilla-scented white-pink flowers
American sweet-scented herb