B Diminished :: B D F

F
C
G
D
♭5
♭3
♭3
♭5
B
♭5
B
♭3
♭3
B
♭5
B
⬤ ⬤
♭5
♭3
⬤ ⬤
G Dominant 9th :: G B D F A

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