kudu vs greater kudu

kudu and greater kudu both are nouns.

Word	Noun	Adjective	Verb	Adverb
kudu	Yes	No	No	No
greater kudu	Yes	No	No	No

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

Other hyponyms of kudu include Tragelaphus strepsiceros, lesser kudu, Tragelaphus imberbis.

kudu (noun)	greater kudu (noun)
either of two spiral-horned antelopes of the African bush	a variety of kudu