C Dominant 9th :: C E G B♭ D

B
F♯
D
A
9
C
5
♭7
3
9
C
♭7
3
5
9
C
3
5
9
♭7
3
C
5
♭7
⬤ ⬤
9
⬤ ⬤
B♭ Sus 4th :: B♭ E♭ F

B
F♯
D
A
4
B♭
5
4
B♭
5
4
B♭
5
4
B♭
5
⬤ ⬤
⬤ ⬤