peace lily vs spathe flower

peace lily and spathe flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
peace lily	Yes	No	No	No
spathe flower	Yes	No	No	No

As nouns, peace lily and spathe flower are synonyms defined as:

peace lily and spathe flower: any of various plants of the genus Spathiphyllum having a white or green spathe and a spike of fragrant flowers and often cultivated as an ornamental

Other synonyms of peace lily include spathiphyllum.

peace lily (noun)	spathe flower (noun)
any of various plants of the genus Spathiphyllum having a white or green spathe and a spike of fragrant flowers and often cultivated as an ornamental	any of various plants of the genus Spathiphyllum having a white or green spathe and a spike of fragrant flowers and often cultivated as an ornamental