wild pansy vs love-in-idleness

wild pansy and love-in-idleness both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild pansy	Yes	No	No	No
love-in-idleness	Yes	No	No	No

As nouns, wild pansy and love-in-idleness are synonyms defined as:

wild pansy and love-in-idleness: a common and long cultivated European herb from which most common garden pansies are derived

Other synonyms of wild pansy include heartsease, Johnny-jump-up, pink of my John, Viola tricolor.

wild pansy (noun)	love-in-idleness (noun)
a common and long cultivated European herb from which most common garden pansies are derived	a common and long cultivated European herb from which most common garden pansies are derived