C Major 7th (♭5) :: C E G♭ B

F
C
G
D
C
♭5
3
3
7
♭5
C
7
♭5
C
3
7
C
3
7
♭5
⬤ ⬤
C
⬤ ⬤
D Major 9th :: D F♯ A C♯ E

F
C
G
D
D
3
7
D
5
9
5
9
3
3
7
D
5
7
D
5
9
9
3
7
⬤ ⬤
D
⬤ ⬤