roast beef plant vs stinking gladwyn

roast beef plant and stinking gladwyn both are nouns.

Word	Noun	Adjective	Verb	Adverb
roast beef plant	Yes	No	No	No
stinking gladwyn	Yes	No	No	No

As nouns, roast beef plant and stinking gladwyn are synonyms defined as:

roast beef plant and stinking gladwyn: iris with purple flowers and foul-smelling leaves; southern and western Europe and North Africa

Other synonyms of roast beef plant include gladdon, gladdon iris, Iris foetidissima, stinking iris.

roast beef plant (noun)	stinking gladwyn (noun)
iris with purple flowers and foul-smelling leaves; southern and western Europe and North Africa	iris with purple flowers and foul-smelling leaves; southern and western Europe and North Africa