G♭ Major 7th :: G♭ B♭ D♭ F

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

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