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