A Major 7th (♭5) :: A C♯ E♭ G♯

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

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