Panthera leo vs lion

Panthera leo and lion both are nouns.

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

As nouns, Panthera leo and lion are synonyms defined as:

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

Other synonyms of Panthera leo include king of beasts.

Panthera leo (noun)	lion (noun)
large gregarious predatory feline of Africa and India having a tawny coat with a shaggy mane in the male	large gregarious predatory feline of Africa and India having a tawny coat with a shaggy mane in the male
	a celebrity who is lionized (much sought after)