G Minor 7th (♭5) :: G B♭ D♭ F

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

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

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