D♭ Dominant 7th :: D♭ F A♭ C♭

F
C
G
D
3
D♭
5
5
3
♭7
3
♭7
D♭
5
D♭
5
♭7
3
♭7
D♭
⬤ ⬤
3
⬤ ⬤
D Sus 2nd :: D E A

F
C
G
D
D
D
5
2
5
2
D
5
D
5
2
2
⬤ ⬤
D
⬤ ⬤