Chad vs lake

Chad and lake both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chad	Yes	No	No	No
lake	Yes	No	No	No

Chad (noun)	lake (noun)
a family of Afroasiatic tonal languages (mostly two tones) spoken in the regions west and south of Lake Chad in north central Africa	a body of (usually fresh) water surrounded by land
a landlocked desert republic in north-central Africa; was under French control until 1960	any of numerous bright translucent organic pigments
a lake in north central Africa; fed by the Shari river	a purplish red pigment prepared from lac or cochineal