sweet scabious vs mournful widow

sweet scabious and mournful widow both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet scabious	Yes	No	No	No
mournful widow	Yes	No	No	No

As nouns, sweet scabious and mournful widow are synonyms defined as:

sweet scabious and mournful widow: Old World annual having fragrant purple to deep crimson flower heads; naturalized in United States

Other synonyms of sweet scabious include pincushion flower, Scabiosa atropurpurea.

sweet scabious (noun)	mournful widow (noun)
Old World annual having fragrant purple to deep crimson flower heads; naturalized in United States	Old World annual having fragrant purple to deep crimson flower heads; naturalized in United States