owlet vs owl

owlet and owl both are nouns.

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

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

owlet: young owl
owl: nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes

Other hypernyms of owlet include bird of Minerva, bird of night, hooter.

owlet (noun)	owl (noun)
young owl	nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes