grain cleaner vs seed cleaner

grain cleaner and seed cleaner both are nouns.

Word	Noun	Adjective	Verb	Adverb
grain cleaner	Yes	No	No	No
seed cleaner	Yes	No	No	No

As nouns, grain cleaner and seed cleaner are synonyms defined as:

grain cleaner and seed cleaner: a machine used for cleaning and improving the quality of grain going into storage or the market.

grain cleaner (noun)	seed cleaner (noun)
a machine used for cleaning and improving the quality of grain going into storage or the market.	a machine used for cleaning and improving the quality of grain going into storage or the market.