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