fresh fish vs fodder

fresh fish and fodder both are nouns.

Word	Noun	Adjective	Verb	Adverb
fresh fish	Yes	No	No	No
fodder	Yes	No	Yes	No

As nouns, fresh fish and fodder are synonyms defined as:

fresh fish and fodder: soldiers who are regarded as expendable in the face of artillery fire

Other synonyms of fresh fish include cannon fodder.

fresh fish (noun)	fodder (noun)
soldiers who are regarded as expendable in the face of artillery fire	coarse food (especially for livestock) composed of entire plants or the leaves and stalks of a cereal crop
	soldiers who are regarded as expendable in the face of artillery fire

fresh fish (verb)	fodder (verb)
	give fodder (to domesticated animals)