displease vs vex

displease and vex both are verbs.

Word	Noun	Adjective	Verb	Adverb
displease	No	No	Yes	No
vex	No	No	Yes	No

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

Other hyponyms of displease include annoy, bother, chafe, devil, get at, get to, gravel, irritate, nark, nettle, rag, rile, repel, repulse, dissatisfy.

displease (verb)	vex (verb)
give displeasure to	be a mystery or bewildering to
	subject to prolonged examination, discussion, or deliberation
	change the arrangement or position of
	cause annoyance in; disturb, especially by minor irritations
	disturb the peace of mind of; afflict with mental agitation or distress