A Diminished :: A C E♭

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

F
C
G
D
♭7
D
3
D
5
9
5
9
3
♭7
3
♭7
D
5
D
5
9
♭7
9
3
⬤ ⬤
♭7
D
⬤ ⬤