vexation vs displeasure

vexation and displeasure both are nouns.

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

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

vexation: anger produced by some annoying irritation
displeasure: the feeling of being displeased or annoyed or dissatisfied with someone or something

Other hyponyms of vexation include irritation, pique, temper, frustration, aggravation, exasperation, harassment, torment.

vexation (noun)	displeasure (noun)
the act of troubling or annoying someone	the feeling of being displeased or annoyed or dissatisfied with someone or something
something or someone that causes anxiety; a source of unhappiness
anger produced by some annoying irritation
the psychological state of being irritated or annoyed