ensilage vs silage

ensilage and silage both are nouns.

Word	Noun	Adjective	Verb	Adverb
ensilage	Yes	No	No	No
silage	Yes	No	No	No

As nouns, ensilage and silage are synonyms defined as:

ensilage and silage: fodder harvested while green and kept succulent by partial fermentation as in a silo

ensilage (noun)	silage (noun)
fodder harvested while green and kept succulent by partial fermentation as in a silo	fodder harvested while green and kept succulent by partial fermentation as in a silo