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