stalker vs stalk

stalker and stalk both are nouns.

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

stalker (noun)	stalk (noun)
someone who stalks game	a stiff or threatening gait
someone who walks with long stiff strides	the act of following prey stealthily
someone who prowls or sneaks about; usually with unlawful intentions	a hunt for game carried on by following it stealthily or waiting in ambush
	a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
	material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds

stalker (verb)	stalk (verb)
	walk stiffly
	follow stealthily or recur constantly and spontaneously to
	go through (an area) in search of prey