Damaliscus lunatus vs topi

Damaliscus lunatus and topi both are nouns.

Word	Noun	Adjective	Verb	Adverb
Damaliscus lunatus	Yes	No	No	No
topi	Yes	No	No	No

As nouns, Damaliscus lunatus and topi are synonyms defined as:

Damaliscus lunatus and topi: a large South African antelope; considered the swiftest hoofed mammal

Other synonyms of Damaliscus lunatus include sassaby.

Damaliscus lunatus (noun)	topi (noun)
a large South African antelope; considered the swiftest hoofed mammal	a large South African antelope; considered the swiftest hoofed mammal
	a lightweight hat worn in tropical countries for protection from the sun