funeral pyre vs cumulus

funeral pyre and cumulus both are nouns.

Word	Noun	Adjective	Verb	Adverb
funeral pyre	Yes	No	No	No
cumulus	Yes	Yes	No	No

As nouns, cumulus is a hypernym of funeral pyre; that is, cumulus is a word with a broader meaning than funeral pyre:

Other hypernyms of funeral pyre include agglomerate, cumulation, heap, mound, pile.

funeral pyre (noun)	cumulus (noun)
wood heaped for burning a dead body as a funeral rite	a collection of objects laid on top of each other
	a globular cloud

funeral pyre (adjective)	cumulus (adjective)
	of or related to cumulous clouds