A Major 6th :: A C♯ E F♯

A
E
C
G
A
5
3
6
A
3
5
A
6
3
5
6
3
A
5
6
⬤ ⬤
A
5
⬤ ⬤
E F♯
C Major 7th (♭5) :: C E G♭ B

A
E
C
G
3
C
7
♭5
C
3
7
C
♭5
3
7
C
♭5
3
7
♭5
⬤ ⬤
3
C
⬤ ⬤