G Minor 7th :: G B♭ D F

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

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

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