G Dominant 7th :: G B D F

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

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