burden vs deluge

burden and deluge both are nouns.

Word	Noun	Adjective	Verb	Adverb
burden	Yes	No	Yes	No
deluge	Yes	No	Yes	No

As verbs, deluge is a hyponym of burden; that is, deluge is a word with a more specific, narrower meaning than burden:

Other hyponyms of burden include overburden, bear down, flood out, overwhelm, adjure.

burden (noun)	deluge (noun)
weight to be borne or conveyed	a heavy rain
the central idea that is expanded in a document or discourse	the rising of a body of water and its overflowing onto normally dry land
an onerous or difficult concern	an overwhelming number or amount
the central meaning or theme of a speech or literary work

burden (verb)	deluge (verb)
impose a task upon, assign a responsibility to	fill or cover completely, usually with water
weight down with a load	charge someone with too many tasks
	fill quickly beyond capacity; as with a liquid