rubbish vs trash

rubbish and trash both are nouns.

Word	Noun	Adjective	Verb	Adverb
rubbish	Yes	No	Yes	No
trash	Yes	No	Yes	No

As nouns, rubbish and trash are synonyms defined as:

Other synonyms of rubbish include applesauce, codswallop, folderol, tripe, trumpery, wish-wash.

As nouns, rubbish and trash are synonyms defined as:

Other synonyms of rubbish include scrap.

rubbish (noun)	trash (noun)
nonsensical talk or writing	an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
worthless material that is to be disposed of	nonsensical talk or writing
	worthless people
	worthless material that is to be disposed of

rubbish (verb)	trash (verb)
attack strongly	express a totally negative opinion of
	dispose of (something useless or old)