cord vs heap

cord and heap both are nouns.

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

As verbs, heap is a hypernym of cord; that is, heap is a word with a broader meaning than cord:

Other hypernyms of cord include pile, stack.

cord (noun)	heap (noun)
a line made of twisted fibers or threads	a car that is old and unreliable
a cut pile fabric with vertical ribs; usually made of cotton	a collection of objects laid on top of each other
a light insulated conductor for household use	(often followed by `of') a large number or amount or extent
a unit of amount of wood cut for burning; 128 cubic feet