Iris foetidissima vs gladdon

Iris foetidissima and gladdon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Iris foetidissima	Yes	No	No	No
gladdon	Yes	No	No	No

As nouns, Iris foetidissima and gladdon are synonyms defined as:

Iris foetidissima and gladdon: iris with purple flowers and foul-smelling leaves; southern and western Europe and North Africa

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

Iris foetidissima (noun)	gladdon (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