encumbrance vs vexation

encumbrance and vexation both are nouns.

Word	Noun	Adjective	Verb	Adverb
encumbrance	Yes	No	No	No
vexation	Yes	No	No	No

As nouns, vexation is a hypernym of encumbrance; that is, vexation is a word with a broader meaning than encumbrance:

Other hypernyms of encumbrance include concern, headache, worry.

encumbrance (noun)	vexation (noun)
any obstruction that impedes or is burdensome	the act of troubling or annoying someone
an onerous or difficult concern	something or someone that causes anxiety; a source of unhappiness
a charge against property (as a lien or mortgage)	anger produced by some annoying irritation
	the psychological state of being irritated or annoyed