G Diminished :: G B♭ D♭

G
D
A
E
G
♭3
♭3
G
♭5
G
♭5
♭3
♭3
♭5
G
♭5
⬤ ⬤
G
⬤ ⬤
B♭ Major 7th :: B♭ D F A

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