F Diminished :: F A♭ C♭

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

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