err vs wander

err and wander both are verbs.

Word	Noun	Adjective	Verb	Adverb
err	No	No	Yes	No
wander	No	No	Yes	No

err (verb)	wander (verb)
to make a mistake or be incorrect	lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking
wander from a direct course or at random	move about aimlessly or without any destination, often in search of food or employment
	to move or cause to move in a sinuous, spiral, or circular course
	go via an indirect route or at no set pace
	be sexually unfaithful to one's partner in marriage