A Diminished :: A C E♭

G
D
A
E
A
♭5
A
♭3
♭3
A
♭5
A
♭5
♭3
♭3
♭5
⬤ ⬤
A
⬤ ⬤
B Dominant 7th :: B D♯ F♯ A

G
D
A
E
♭7
3
♭7
B
5
B
5
♭7
3
♭7
B
3
B
5
5
3
⬤ ⬤
♭7
⬤ ⬤