immortelle vs Xeranthemum annuum

immortelle and Xeranthemum annuum both are nouns.

Word	Noun	Adjective	Verb	Adverb
immortelle	Yes	No	No	No
Xeranthemum annuum	Yes	No	No	No

As nouns, immortelle and Xeranthemum annuum are synonyms defined as:

immortelle and Xeranthemum annuum: mostly widely cultivated species of everlasting flowers having usually purple flowers; southern Europe to Iran; naturalized elsewhere

immortelle (noun)	Xeranthemum annuum (noun)
mostly widely cultivated species of everlasting flowers having usually purple flowers; southern Europe to Iran; naturalized elsewhere	mostly widely cultivated species of everlasting flowers having usually purple flowers; southern Europe to Iran; naturalized elsewhere