turaco vs turacou

turaco and turacou both are nouns.

Word	Noun	Adjective	Verb	Adverb
turaco	Yes	No	No	No
turacou	Yes	No	No	No

As nouns, turaco and turacou are synonyms defined as:

Other synonyms of turaco include touraco, turakoo.

turaco (noun)	turacou (noun)
large brightly crested bird of Africa	large brightly crested bird of Africa