nutrient vs alimental

nutrient is a noun but alimental is not a noun.

Word	Noun	Adjective	Verb	Adverb
nutrient	Yes	Yes	No	No
alimental	No	Yes	No	No

As adjectives, nutrient and alimental are synonyms defined as:

Other synonyms of nutrient include alimentary, nourishing, nutritious, nutritive.

nutrient (noun)	alimental (noun)
any substance that can be metabolized by an animal to give energy and build tissue
any substance (such as a chemical element or inorganic compound) that can be taken in by a green plant and used in organic synthesis

nutrient (adjective)	alimental (adjective)
of or providing nourishment	of or providing nourishment