hunting vs stalking

hunting and stalking both are nouns.

Word	Noun	Adjective	Verb	Adverb
hunting	Yes	No	No	No
stalking	Yes	No	No	No

As nouns, stalking is a hyponym of hunting; that is, stalking is a word with a more specific, narrower meaning than hunting:

hunting: the work of finding and killing or capturing animals for food or pelts
stalking: a hunt for game carried on by following it stealthily or waiting in ambush

Other hyponyms of hunting include canned hunt, stalk, still hunt, birdnesting, predation.

hunting (noun)	stalking (noun)
the work of finding and killing or capturing animals for food or pelts	the act of following prey stealthily
the pursuit and killing or capture of wild animals regarded as a sport	a hunt for game carried on by following it stealthily or waiting in ambush
the activity of looking thoroughly in order to find something or someone