aliment vs food

aliment and food both are nouns.

Word	Noun	Adjective	Verb	Adverb
aliment	Yes	No	Yes	No
food	Yes	No	No	No

As nouns, food is a hypernym of aliment; that is, food is a word with a broader meaning than aliment:

aliment: a source of materials to nourish the body
food: any substance that can be metabolized by an animal to give energy and build tissue

Other hypernyms of aliment include nutrient.

aliment (noun)	food (noun)
a source of materials to nourish the body	any substance that can be metabolized by an animal to give energy and build tissue
	anything that provides mental stimulus for thinking
	any solid substance (as opposed to liquid) that is used as a source of nourishment

aliment (verb)	food (verb)
give nourishment to