false indigo vs amorpha

false indigo and amorpha both are nouns.

Word	Noun	Adjective	Verb	Adverb
false indigo	Yes	No	No	No
amorpha	Yes	No	No	No

As nouns, amorpha is a hypernym of false indigo; that is, amorpha is a word with a broader meaning than false indigo:

false indigo: an erect to spreading hairy shrub of the Pacific coast of the United States having racemes of red to indigo flowers
amorpha: any plant of the genus Amorpha having odd-pinnate leaves and purplish spicate flowers

As nouns, amorpha is a hypernym of false indigo; that is, amorpha is a word with a broader meaning than false indigo:

false indigo: dense shrub of moist riverbanks and flood plains of the eastern United States having attractive fragrant foliage and dense racemes of dark purple flowers
amorpha: any plant of the genus Amorpha having odd-pinnate leaves and purplish spicate flowers

false indigo (noun)	amorpha (noun)
an erect to spreading hairy shrub of the Pacific coast of the United States having racemes of red to indigo flowers	any plant of the genus Amorpha having odd-pinnate leaves and purplish spicate flowers
dense shrub of moist riverbanks and flood plains of the eastern United States having attractive fragrant foliage and dense racemes of dark purple flowers
any of several plants of the genus Baptisia