Draba verna vs shad-flower

Draba verna and shad-flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Draba verna	Yes	No	No	No
shad-flower	Yes	No	No	No

As nouns, Draba verna and shad-flower are synonyms defined as:

Draba verna and shad-flower: annual weed of Europe and North America having a rosette of basal leaves and tiny flowers followed by oblong seed capsules

Other synonyms of Draba verna include shadflower, whitlow grass.

Draba verna (noun)	shad-flower (noun)
annual weed of Europe and North America having a rosette of basal leaves and tiny flowers followed by oblong seed capsules	annual weed of Europe and North America having a rosette of basal leaves and tiny flowers followed by oblong seed capsules