Vaseline vs petrolatum

Vaseline and petrolatum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vaseline	Yes	No	No	No
petrolatum	Yes	No	No	No

As nouns, petrolatum is a hypernym of Vaseline; that is, petrolatum is a word with a broader meaning than Vaseline:

Vaseline: a trademarked brand of petroleum jelly
petrolatum: a semisolid mixture of hydrocarbons obtained from petroleum; used in medicinal ointments and for lubrication

Other hypernyms of Vaseline include mineral jelly, petroleum jelly.

Vaseline (noun)	petrolatum (noun)
a trademarked brand of petroleum jelly	a semisolid mixture of hydrocarbons obtained from petroleum; used in medicinal ointments and for lubrication