muckheap vs heap

muckheap and heap both are nouns.

Word	Noun	Adjective	Verb	Adverb
muckheap	Yes	No	No	No
heap	Yes	No	Yes	No

As nouns, heap is a hypernym of muckheap; that is, heap is a word with a broader meaning than muckheap:

Other hypernyms of muckheap include agglomerate, cumulation, cumulus, mound, pile.

muckheap (noun)	heap (noun)
a heap of dung or refuse	a car that is old and unreliable
	a collection of objects laid on top of each other
	(often followed by `of') a large number or amount or extent