seed cleaner vs grain cleaner

seed cleaner and grain cleaner both are nouns.

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

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

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

seed cleaner (noun)	grain 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.