D Minor 7th (♭5) :: D F A♭ C

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

G
D
A
E
D
5
5
6
3
6
3
D
5
D
5
6
6
3
D
3
⬤ ⬤
D
5
⬤ ⬤