A Diminished :: A C E♭

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

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