Yenisei vs Samoyed language

Yenisei and Samoyed language both are nouns.

Word	Noun	Adjective	Verb	Adverb
Yenisei	Yes	No	No	No
Samoyed language	Yes	No	No	No

As nouns, Samoyed language is a hypernym of Yenisei; that is, Samoyed language is a word with a broader meaning than Yenisei:

Yenisei: the Uralic language spoken by the Yeniseian
Samoyed language: the Uralic languages spoken by the Samoyed in northwestern Siberia

Other hypernyms of Yenisei include Samoyed, Samoyedic, Samoyedic language.

Yenisei (noun)	Samoyed language (noun)
the Uralic language spoken by the Yeniseian	the Uralic languages spoken by the Samoyed in northwestern Siberia
a Russian river in Siberia; rises in mountains near the Mongolian border and flows generally northward into the Kara Sea