D Diminished :: D F A♭

G
D
A
E
D
♭5
♭3
♭3
♭5
D
♭5
D
♭3
♭3
D
♭5
⬤ ⬤
D
⬤ ⬤
D Dominant 9th :: D F♯ A C E

G
D
A
E
D
5
9
5
9
3
♭7
3
♭7
D
5
D
5
9
♭7
9
3
♭7
D
3
⬤ ⬤
D
5
9
⬤ ⬤