Judah vs Juda

Judah and Juda both are nouns.

Word	Noun	Adjective	Verb	Adverb
Judah	Yes	No	No	No
Juda	Yes	No	No	No

As nouns, Judah and Juda are synonyms defined as:

Judah and Juda: an ancient kingdom of southern Palestine with Jerusalem as its center

Judah (noun)	Juda (noun)
an ancient kingdom of southern Palestine with Jerusalem as its center	an ancient kingdom of southern Palestine with Jerusalem as its center
(Old Testament) the fourth son of Jacob who was forebear of one of the tribes of Israel; one of his descendants was to be the Messiah