incumbrance vs fardel

incumbrance and fardel both are nouns.

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

As nouns, fardel is a hyponym of incumbrance; that is, fardel is a word with a more specific, narrower meaning than incumbrance:

Other hyponyms of incumbrance include dead weight, imposition, pill.

incumbrance (noun)	fardel (noun)
any obstruction that impedes or is burdensome	a burden (figuratively in the form of a bundle)
an onerous or difficult concern
a charge against property (as a lien or mortgage)