fodder vs eatage

fodder and eatage both are nouns.

Word	Noun	Adjective	Verb	Adverb
fodder	Yes	No	Yes	No
eatage	Yes	No	No	No

As nouns, eatage is a hyponym of fodder; that is, eatage is a word with a more specific, narrower meaning than fodder:

fodder: coarse food (especially for livestock) composed of entire plants or the leaves and stalks of a cereal crop
eatage: bulky food like grass or hay for browsing or grazing horses or cattle

Other hyponyms of fodder include forage, grass, pasturage, pasture, alfalfa, broad bean, horse bean, hay, stover.

fodder (noun)	eatage (noun)
coarse food (especially for livestock) composed of entire plants or the leaves and stalks of a cereal crop	bulky food like grass or hay for browsing or grazing horses or cattle
soldiers who are regarded as expendable in the face of artillery fire

fodder (verb)	eatage (verb)
give fodder (to domesticated animals)