D Dominant 7th :: D F♯ A C

G
D
A
E
D
5
5
3
♭7
3
♭7
D
5
D
5
♭7
3
♭7
D
3
⬤ ⬤
D
5
⬤ ⬤
G♭ Sus 4th :: G♭ C♭ D♭

G
D
A
E
4
G♭
4
G♭
5
5
4
4
G♭
5
G♭
5
⬤ ⬤
⬤ ⬤