victuals vs kosher

victuals and kosher both are nouns.

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

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

victuals (noun)	kosher (noun)
any substance that can be used as food	food that fulfills the requirements of Jewish dietary law
a source of materials to nourish the body
a stock or supply of foods

victuals (adjective)	kosher (adjective)
	conforming to Jewish dietary laws
	proper or legitimate