D Dominant 7th :: D F♯ A C

B
F♯
D
A
3
D
5
♭7
D
5
♭7
3
D
♭7
3
5
D
3
5
♭7
⬤ ⬤
3
D
5
⬤ ⬤
B Diminished :: B D F

B
F♯
D
A
B
♭3
B
♭3
♭5
B
♭3
♭5
♭3
♭5
B
♭5
⬤ ⬤
B
♭3
⬤ ⬤