mickle vs heap

mickle and heap both are nouns.

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

As nouns, mickle and heap are synonyms defined as:

mickle and heap: (often followed by `of') a large number or amount or extent

mickle (noun)	heap (noun)
(often followed by `of') a large number or amount or extent	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