lionet vs Panthera leo

lionet and Panthera leo both are nouns.

Word	Noun	Adjective	Verb	Adverb
lionet	Yes	No	No	No
Panthera leo	Yes	No	No	No

As nouns, Panthera leo is a hypernym of lionet; that is, Panthera leo is a word with a broader meaning than lionet:

lionet: a small or young lion
Panthera leo: large gregarious predatory feline of Africa and India having a tawny coat with a shaggy mane in the male

Other hypernyms of lionet include king of beasts, lion.

lionet (noun)	Panthera leo (noun)
a small or young lion	large gregarious predatory feline of Africa and India having a tawny coat with a shaggy mane in the male