garbage dump vs trash dump

garbage dump and trash dump both are nouns.

Word	Noun	Adjective	Verb	Adverb
garbage dump	Yes	No	No	No
trash dump	Yes	No	No	No

As nouns, garbage dump and trash dump are synonyms defined as:

garbage dump and trash dump: a piece of land where waste materials are dumped

Other synonyms of garbage dump include dump, dumpsite, rubbish dump, waste-yard, wasteyard.

garbage dump (noun)	trash dump (noun)
a piece of land where waste materials are dumped	a piece of land where waste materials are dumped