Kobus leche vs lechwe

Kobus leche and lechwe both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kobus leche	Yes	No	No	No
lechwe	Yes	No	No	No

As nouns, Kobus leche and lechwe are synonyms defined as:

Kobus leche and lechwe: tawny-colored African antelope inhabiting wet grassy plains; a threatened species

Kobus leche (noun)	lechwe (noun)
tawny-colored African antelope inhabiting wet grassy plains; a threatened species	tawny-colored African antelope inhabiting wet grassy plains; a threatened species