scrapheap vs refuse heap

scrapheap and refuse heap both are nouns.

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

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

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

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

scrapheap (noun)	refuse heap (noun)
pile of discarded metal	an accumulation of refuse and discarded matter
an accumulation of refuse and discarded matter