Joveo has no mean in spanish.
Young = Joven
Young/youths/young men
"young" is "joven".
Young is joven.
i feel young = me siento joven
The correct word really depends on the context, but the Spanish word Joven means Young in most situations.
Its joven
jóvenes
'Young people' in Spanish is 'los jóvenes'
Girl is "chica" in Spanish. A very young girl would be "niña" (which is a baby girl). A young lady (unmarried) is a "señorita."
You would use the subject pronoun "tú" when talking to a young girl in Spanish.
Joven
It is easier to learn languages when you are young.