C Dominant 7th :: C E G B♭

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

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