diet vs animal

diet and animal both are nouns.

Word	Noun	Adjective	Verb	Adverb
diet	Yes	No	Yes	No
animal	Yes	Yes	No	No

diet (noun)	animal (noun)
the act of restricting your food intake (or your intake of particular foods)	a living organism characterized by voluntary movement
a prescribed selection of foods
the usual food and drink consumed by an organism (person or animal)
a legislative assembly in certain countries (e.g., Japan)

diet (adjective)	animal (adjective)
	marked by the appetites and passions of the body

diet (verb)	animal (verb)
eat sparingly, for health reasons or to lose weight
follow a regimen or a diet, as for health reasons