fardel vs burden

fardel and burden both are nouns.

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

As nouns, burden is a hypernym of fardel; that is, burden is a word with a broader meaning than fardel:

Other hypernyms of fardel include encumbrance, incumbrance, load, onus.

fardel (noun)	burden (noun)
a burden (figuratively in the form of a bundle)	weight to be borne or conveyed
	the central idea that is expanded in a document or discourse
	an onerous or difficult concern
	the central meaning or theme of a speech or literary work

fardel (verb)	burden (verb)
	impose a task upon, assign a responsibility to
	weight down with a load