aye-aye vs lemur

aye-aye and lemur both are nouns.

Word	Noun	Adjective	Verb	Adverb
aye-aye	Yes	No	No	No
lemur	Yes	No	No	No

As nouns, lemur is a hypernym of aye-aye; that is, lemur is a word with a broader meaning than aye-aye:

aye-aye: nocturnal lemur with long bony fingers and rodent-like incisor teeth closely related to the lemurs
lemur: large-eyed arboreal prosimian having foxy faces and long furry tails

aye-aye (noun)	lemur (noun)
nocturnal lemur with long bony fingers and rodent-like incisor teeth closely related to the lemurs	large-eyed arboreal prosimian having foxy faces and long furry tails