kosher vs alimentation

kosher and alimentation both are nouns.

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

As nouns, alimentation is a hypernym of kosher; that is, alimentation is a word with a broader meaning than kosher:

Other hypernyms of kosher include aliment, nourishment, nutriment, nutrition, sustenance, victuals.

kosher (noun)	alimentation (noun)
food that fulfills the requirements of Jewish dietary law	the act of supplying food and nourishment
	a source of materials to nourish the body

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