As nouns the difference between juz and cuz
is that juz is one of thirty parts of the quran while cuz is (informal) cousin.
As an adverb cuz is
(informal) because.
As a conjunction cuz is
(informal) because.
juz
English
Noun
One of thirty parts of the Quran
cuz
English
Etymology 1
Short for because .
Alternative forms
* cause, 'cause, cos, 'cos, coz, 'coz, 'cuz
Adverb
(-)
(informal) because
Etymology 2
Short for cousin .
Noun
(cuzzes)
(informal) cousin