finger food vs alimentation

finger food and alimentation both are nouns.

Word	Noun	Adjective	Verb	Adverb
finger food	Yes	No	No	No
alimentation	Yes	No	No	No

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

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

finger food (noun)	alimentation (noun)
food to be eaten with the fingers	the act of supplying food and nourishment
	a source of materials to nourish the body