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
⬤ ⬤
C Minor 9th :: C E♭ G B♭ D

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