C Dominant 9th :: C E G B♭ D

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

F
C
G
D
♭3
𝄫7
♭5
A
♭5
A
𝄫7
♭3
𝄫7
♭3
A
♭5
A
♭5
♭3
𝄫7
⬤ ⬤
♭3
⬤ ⬤