gavage vs alimentation

gavage and alimentation both are nouns.

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

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

gavage: feeding that consists of the delivery of a nutrient solution (as through a nasal tube) to someone who cannot or will not eat
alimentation: the act of supplying food and nourishment

Other hypernyms of gavage include feeding.

gavage (noun)	alimentation (noun)
feeding that consists of the delivery of a nutrient solution (as through a nasal tube) to someone who cannot or will not eat	the act of supplying food and nourishment
	a source of materials to nourish the body