B Diminished :: B D F

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

A
E
C
G
7
9
B♭
5
3
7
9
B♭
3
7
5
9
B♭
3
5
9
7
3
B♭
5
⬤ ⬤
7
9
⬤ ⬤