A Dominant 9th :: A C♯ E G B

B
F♯
D
A
9
A
♭7
3
5
9
A
3
5
9
♭7
3
A
5
♭7
9
A
5
♭7
3
⬤ ⬤
9
A
⬤ ⬤
D Major :: D F♯ A

B
F♯
D
A
3
D
5
D
5
3
D
3
5
D
3
5
⬤ ⬤
3
D
5
⬤ ⬤