peace lily vs spathiphyllum

peace lily and spathiphyllum both are nouns.

Word	Noun	Adjective	Verb	Adverb
peace lily	Yes	No	No	No
spathiphyllum	Yes	No	No	No

As nouns, peace lily and spathiphyllum are synonyms defined as:

peace lily and spathiphyllum: 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 spathe flower.

peace lily (noun)	spathiphyllum (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