D Diminished :: D F A♭

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

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