trash dump vs garbage dump

trash dump and garbage dump both are nouns.

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

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

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

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

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