litterbin vs litter basket

litterbin and litter basket both are nouns.

Word	Noun	Adjective	Verb	Adverb
litterbin	Yes	No	No	No
litter basket	Yes	No	No	No

As nouns, litterbin and litter basket are synonyms defined as:

litterbin and litter basket: bin (usually in or outside a public building) into which the public can put rubbish

Other synonyms of litterbin include litter-basket.

litterbin (noun)	litter basket (noun)
bin (usually in or outside a public building) into which the public can put rubbish	bin (usually in or outside a public building) into which the public can put rubbish