err vs tramp

err is not a noun while tramp is a noun.

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

err (noun)	tramp (noun)
	a long walk usually for exercise or pleasure
	a commercial steamer for hire; one having no regular schedule
	a heavy footfall
	a vagrant
	a person who engages freely in promiscuous sex
	a foot traveler; someone who goes on an extended walk (for pleasure)

err (verb)	tramp (verb)
to make a mistake or be incorrect	travel on foot, especially on a walking expedition
wander from a direct course or at random	walk heavily and firmly, as when weary, or through mud
	move about aimlessly or without any destination, often in search of food or employment
	cross on foot