In roman god terms the difference between jupiter and juventas

is that jupiter is the King of the Gods, also called Jove. Equivalent to the Greek Zeus, Jupiter was one of the children of Saturn while juventas is the goddess of youth, and a daughter of Jupiter and Juno. Juventas was the cupbearer of the gods until she married her paternal halfbrother, Hercules, whith whom she had twin sons, Alexiares and Anicetus. She is the Roman counterpart of Hebe.

As proper nouns the difference between jupiter and juventas

is that jupiter is the fifth and by far the largest planet in the Solar System, a gas giant, represented by the symbol ♃ in astronomy. Jupiter is known for its Great Red Spot and many moons including the Galilean moons while Juventas is the goddess of youth, and a daughter of Jupiter and Juno. Juventas was the cupbearer of the gods until she married her paternal halfbrother, Hercules, whith whom she had twin sons, Alexiares and Anicetus. She is the Roman counterpart of Hebe.