C Diminished
::
C
E♭
G♭
⨉
F
C
G
D
C
♭5
♭3
⬤
♭3
⬤
♭5
⬤
C
⬤
♭5
⬤
C
⬤
♭3
⬤
⬤
♭3
C
♭5
⬤ ⬤
C
⬤ ⬤
A Minor 9th
::
A
C
E
G
B
⨉
F
C
G
D
♭3
♭7
♭7
A
5
⬤
⬤
A
5
9
⬤
♭3
♭7
⬤
9
⬤
♭3
♭7
A
⬤
⬤
A
5
9
⬤
♭3
5
9
⬤ ⬤
♭3
♭7
⬤ ⬤