gastrogavage vs gavage

gastrogavage and gavage both are nouns.

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

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

gastrogavage: feeding a nutrient solution into the stomach through a tube through a surgically created opening
gavage: feeding that consists of the delivery of a nutrient solution (as through a nasal tube) to someone who cannot or will not eat

Other hypernyms of gastrogavage include forced feeding.

gastrogavage (noun)	gavage (noun)
feeding a nutrient solution into the stomach through a tube through a surgically created opening	feeding that consists of the delivery of a nutrient solution (as through a nasal tube) to someone who cannot or will not eat