A♭ Diminished
::
A♭
B
D
⨉
A
E
C
G
A♭
♭3
♭5
⬤
⬤
A♭
♭3
⬤
♭5
⬤
⬤
♭3
♭5
⬤
A♭
⬤
⬤
♭5
A♭
♭3
⬤ ⬤
⬤ ⬤
—
C Half Diminished 7th
::
C
E♭
G♭
B♭
⨉
A
E
C
G
C
♭7
♭5
⬤
C
♭3
♭7
⬤
⬤
C
⬤
♭3
♭7
♭5
⬤
⬤
C
♭3
⬤
♭5
⬤
♭7
♭3
♭5
⬤ ⬤
C
⬤ ⬤