xanthophyll vs xanthophyl

xanthophyll and xanthophyl both are nouns.

Word	Noun	Adjective	Verb	Adverb
xanthophyll	Yes	No	No	No
xanthophyl	Yes	No	No	No

As nouns, xanthophyll and xanthophyl are synonyms defined as:

xanthophyll and xanthophyl: yellow carotenoid pigments in plants and animal fats and egg yolks

Other synonyms of xanthophyll include lutein.

xanthophyll (noun)	xanthophyl (noun)
yellow carotenoid pigments in plants and animal fats and egg yolks	yellow carotenoid pigments in plants and animal fats and egg yolks