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