C Major 7th (♭5) :: C E G♭ B

F
C
G
D
C
♭5
3
3
7
♭5
C
7
♭5
C
3
7
C
3
7
♭5
⬤ ⬤
C
⬤ ⬤
E Major 6th :: E G♯ B C♯

F
C
G
D
6
3
E
3
E
5
5
6
3
6
3
E
5
E
5
6
⬤ ⬤
⬤ ⬤