gerenuk vs antelope

gerenuk and antelope both are nouns.

Word	Noun	Adjective	Verb	Adverb
gerenuk	Yes	No	No	No
antelope	Yes	No	No	No

As nouns, antelope is a hypernym of gerenuk; that is, antelope is a word with a broader meaning than gerenuk:

gerenuk: slender East African antelope with slim neck and backward-curving horns
antelope: graceful Old World ruminant with long legs and horns directed upward and backward; includes gazelles, springboks, impalas, addax, gerenuks, blackbucks, dik-diks

gerenuk (noun)	antelope (noun)
slender East African antelope with slim neck and backward-curving horns	graceful Old World ruminant with long legs and horns directed upward and backward; includes gazelles, springboks, impalas, addax, gerenuks, blackbucks, dik-diks