mess vs alimentation

mess and alimentation both are nouns.

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

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

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

mess (noun)	alimentation (noun)
a (large) military dining room where service personnel eat or relax	the act of supplying food and nourishment
a meal eaten in a mess hall by service personnel	a source of materials to nourish the body
soft semiliquid food
(often followed by `of') a large number or amount or extent
a state of confusion and disorderliness
informal terms for a difficult situation

mess (verb)	alimentation (verb)
make a mess of or create disorder in
eat in a mess hall