cark vs vex

cark and vex both are verbs.

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

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

cark: disturb in mind or make uneasy or cause to be worried or alarmed
vex: disturb the peace of mind of; afflict with mental agitation or distress

Other hyponyms of cark include worry.

cark (verb)	vex (verb)
disturb in mind or make uneasy or cause to be worried or alarmed	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