waste basket vs wastebasket

waste basket and wastebasket both are nouns.

Word	Noun	Adjective	Verb	Adverb
waste basket	Yes	No	No	No
wastebasket	Yes	No	No	No

As nouns, waste basket and wastebasket are synonyms defined as:

waste basket and wastebasket: a container with an open top; for discarded paper and other rubbish

Other synonyms of waste basket include circular file, waste-paper basket, wastepaper basket.

waste basket (noun)	wastebasket (noun)
a container with an open top; for discarded paper and other rubbish	a container with an open top; for discarded paper and other rubbish