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
⬤ ⬤
F Major 9th :: F A C E G

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