A Diminished :: A C E♭

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

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