prowler vs stalker

prowler and stalker both are nouns.

Word	Noun	Adjective	Verb	Adverb
prowler	Yes	No	No	No
stalker	Yes	No	No	No

As nouns, prowler and stalker are synonyms defined as:

prowler and stalker: someone who prowls or sneaks about; usually with unlawful intentions

Other synonyms of prowler include sneak.

prowler (noun)	stalker (noun)
someone who prowls or sneaks about; usually with unlawful intentions	someone who stalks game
	someone who walks with long stiff strides
	someone who prowls or sneaks about; usually with unlawful intentions