hoopoo vs coraciiform bird

hoopoo and coraciiform bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
hoopoo	Yes	No	No	No
coraciiform bird	Yes	No	No	No

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

hoopoo: any of several crested Old World birds with a slender downward-curved bill
coraciiform bird: chiefly short-legged arboreal nonpasserine birds that nest in holes

hoopoo (noun)	coraciiform bird (noun)
any of several crested Old World birds with a slender downward-curved bill	chiefly short-legged arboreal nonpasserine birds that nest in holes