G Diminished :: G B♭ D♭

G
D
A
E
G
♭3
♭3
G
♭5
G
♭5
♭3
♭3
♭5
G
♭5
⬤ ⬤
G
⬤ ⬤
B Minor 7th (♭5) :: B D F A

G
D
A
E
♭3
♭7
♭5
♭7
B
♭5
B
♭3
♭7
♭3
♭7
B
♭5
B
♭5
♭3
⬤ ⬤
♭3
♭7
⬤ ⬤