phytonadione vs vitamin K1

phytonadione and vitamin K1 both are nouns.

Word	Noun	Adjective	Verb	Adverb
phytonadione	Yes	No	No	No
vitamin K1	Yes	No	No	No

As nouns, phytonadione and vitamin K1 are synonyms defined as:

phytonadione and vitamin K1: a form of vitamin K, based on 2-methyl-1,4-naphthoquinone, with a 3-phytyl substituent

Other synonyms of phytonadione include phylloquinone.

phytonadione (noun)	vitamin K1 (noun)
a form of vitamin K, based on 2-methyl-1,4-naphthoquinone, with a 3-phytyl substituent	a form of vitamin K, based on 2-methyl-1,4-naphthoquinone, with a 3-phytyl substituent