okapi vs giraffe

okapi and giraffe both are nouns.

Word	Noun	Adjective	Verb	Adverb
okapi	Yes	No	No	No
giraffe	Yes	No	No	No

As nouns, giraffe is a hypernym of okapi; that is, giraffe is a word with a broader meaning than okapi:

okapi: similar to the giraffe but smaller with much shorter neck and stripe on the legs
giraffe: tallest living quadruped; having a spotted coat and small horns and very long neck and legs; of savannahs of tropical Africa

Other hypernyms of okapi include camelopard, Giraffa camelopardalis.

okapi (noun)	giraffe (noun)
similar to the giraffe but smaller with much shorter neck and stripe on the legs	tallest living quadruped; having a spotted coat and small horns and very long neck and legs; of savannahs of tropical Africa