lady's smock vs Cardamine pratensis

lady's smock and Cardamine pratensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
lady's smock	Yes	No	No	No
Cardamine pratensis	Yes	No	No	No

As nouns, lady's smock and Cardamine pratensis are synonyms defined as:

lady's smock and Cardamine pratensis: a bitter cress of Europe and America

Other synonyms of lady's smock include cuckoo flower, cuckooflower, meadow cress.

lady's smock (noun)	Cardamine pratensis (noun)
a bitter cress of Europe and America	a bitter cress of Europe and America