nourishment vs alimentation

nourishment and alimentation both are nouns.

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

As nouns, nourishment and alimentation are synonyms defined as:

Other synonyms of nourishment include aliment, nutriment, nutrition, sustenance, victuals.

nourishment (noun)	alimentation (noun)
the act of nourishing	the act of supplying food and nourishment
a source of materials to nourish the body	a source of materials to nourish the body