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
⬤ ⬤
⬤ ⬤
G♭
A♭ Dominant 7th :: A♭ C E♭ G♭

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