indri vs indris

indri and indris both are nouns.

Word	Noun	Adjective	Verb	Adverb
indri	Yes	No	No	No
indris	Yes	No	No	No

As nouns, indri and indris are synonyms defined as:

indri and indris: large short-tailed lemur of Madagascar having thick silky fur in black and white and fawn

Other synonyms of indri include Indri brevicaudatus, Indri indri.

indri (noun)	indris (noun)
large short-tailed lemur of Madagascar having thick silky fur in black and white and fawn	large short-tailed lemur of Madagascar having thick silky fur in black and white and fawn