spathe flower vs peace lily

spathe flower and peace lily both are nouns.

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

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

spathe flower and peace lily: 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 spathe flower include spathiphyllum.

spathe flower (noun)	peace lily (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