victuals vs vitamin

victuals and vitamin both are nouns.

Word	Noun	Adjective	Verb	Adverb
victuals	Yes	No	No	No
vitamin	Yes	No	No	No

As nouns, vitamin is a hyponym of victuals; that is, vitamin is a word with a more specific, narrower meaning than victuals:

victuals: a source of materials to nourish the body
vitamin: any of a group of organic substances essential in small quantities to normal metabolism

victuals (noun)	vitamin (noun)
any substance that can be used as food	any of a group of organic substances essential in small quantities to normal metabolism
a source of materials to nourish the body
a stock or supply of foods