lady's smock vs meadow cress

lady's smock and meadow cress both are nouns.

Word	Noun	Adjective	Verb	Adverb
lady's smock	Yes	No	No	No
meadow cress	Yes	No	No	No

As nouns, lady's smock and meadow cress are synonyms defined as:

Other synonyms of lady's smock include Cardamine pratensis, cuckoo flower, cuckooflower.

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