The Greek Alphabet: αβγδεζηθικλμνξοπρςστυφχψωThe Latin Alphabet: abcdefghijklmnopqurstuvwxyz
Early Romans, Hebrews and Greeks
No. The Hebrew alphabet doesn't have any vowels.
The Original Latin did not contain J, U, or W.
If you are talking in the strictest sense, all 26 letters of the Latin alphabet are not in the Greek alphabet.If you are talking about letter shapes, the following shapes do not occur in Greek: C D F...