striped hyena vs hyaena

striped hyena and hyaena both are nouns.

Word	Noun	Adjective	Verb	Adverb
striped hyena	Yes	No	No	No
hyaena	Yes	No	No	No

As nouns, hyaena is a hypernym of striped hyena; that is, hyaena is a word with a broader meaning than striped hyena:

striped hyena: of northern Africa and Arabia and India
hyaena: doglike nocturnal mammal of Africa and southern Asia that feeds chiefly on carrion

Other hypernyms of striped hyena include hyena.

striped hyena (noun)	hyaena (noun)
of northern Africa and Arabia and India	doglike nocturnal mammal of Africa and southern Asia that feeds chiefly on carrion