refuse heap vs trash heap

refuse heap and trash heap both are nouns.

Word	Noun	Adjective	Verb	Adverb
refuse heap	Yes	No	No	No
trash heap	Yes	No	No	No

As nouns, refuse heap and trash heap are synonyms defined as:

refuse heap and trash heap: an accumulation of refuse and discarded matter

Other synonyms of refuse heap include garbage heap, junk heap, junk pile, rubbish heap, scrapheap, trash pile.

refuse heap (noun)	trash heap (noun)
an accumulation of refuse and discarded matter	an accumulation of refuse and discarded matter