Euopean hoopoe vs hoopoo

Euopean hoopoe and hoopoo both are nouns.

Word	Noun	Adjective	Verb	Adverb
Euopean hoopoe	Yes	No	No	No
hoopoo	Yes	No	No	No

As nouns, hoopoo is a hypernym of Euopean hoopoe; that is, hoopoo is a word with a broader meaning than Euopean hoopoe:

Euopean hoopoe: pinkish-brown hoopoe with black-and-white wings
hoopoo: any of several crested Old World birds with a slender downward-curved bill

Other hypernyms of Euopean hoopoe include hoopoe.

Euopean hoopoe (noun)	hoopoo (noun)
pinkish-brown hoopoe with black-and-white wings	any of several crested Old World birds with a slender downward-curved bill