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