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