stalk vs stalker

stalk and stalker both are nouns.

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

stalk (noun)	stalker (noun)
a stiff or threatening gait	someone who stalks game
the act of following prey stealthily	someone who walks with long stiff strides
a hunt for game carried on by following it stealthily or waiting in ambush	someone who prowls or sneaks about; usually with unlawful intentions
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

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