elk vs genus Alces

elk and genus Alces both are nouns.

Word	Noun	Adjective	Verb	Adverb
elk	Yes	No	No	No
genus Alces	Yes	No	No	No

elk (noun)	genus Alces (noun)
large northern deer with enormous flattened antlers in the male; called `elk' in Europe and `moose' in North America	elk or moose
common deer of temperate Europe and Asia
large North American deer with large much-branched antlers in the male