screech owl vs owl

screech owl and owl both are nouns.

Word	Noun	Adjective	Verb	Adverb
screech owl	Yes	No	No	No
owl	Yes	No	No	No

As nouns, owl is a hypernym of screech owl; that is, owl is a word with a broader meaning than screech owl:

screech owl: small North American owl having hornlike tufts of feathers whose call sounds like a quavering whistle
owl: nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes

Other hypernyms of screech owl include bird of Minerva, bird of night, hooter.

As nouns, owl is a hypernym of screech owl; that is, owl is a word with a broader meaning than screech owl:

screech owl: any owl that has a screeching cry
owl: nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes

Other hypernyms of screech owl include bird of Minerva, bird of night, hooter.

screech owl (noun)	owl (noun)
small North American owl having hornlike tufts of feathers whose call sounds like a quavering whistle	nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes
any owl that has a screeching cry