grivet vs Cercopithecus aethiops

grivet and Cercopithecus aethiops both are nouns.

Word	Noun	Adjective	Verb	Adverb
grivet	Yes	No	No	No
Cercopithecus aethiops	Yes	No	No	No

As nouns, grivet and Cercopithecus aethiops are synonyms defined as:

grivet and Cercopithecus aethiops: white and olive green East African monkey with long white tufts of hair beside the face

grivet (noun)	Cercopithecus aethiops (noun)
white and olive green East African monkey with long white tufts of hair beside the face	white and olive green East African monkey with long white tufts of hair beside the face