rubbish dump vs waste-yard

rubbish dump and waste-yard both are nouns.

Word	Noun	Adjective	Verb	Adverb
rubbish dump	Yes	No	No	No
waste-yard	Yes	No	No	No

As nouns, rubbish dump and waste-yard are synonyms defined as:

rubbish dump and waste-yard: a piece of land where waste materials are dumped

Other synonyms of rubbish dump include dump, dumpsite, garbage dump, trash dump, wasteyard.

rubbish dump (noun)	waste-yard (noun)
a piece of land where waste materials are dumped	a piece of land where waste materials are dumped