A Dominant 7th :: A C♯ E G

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

F
C
G
D
♭5
♭3
♭3
♭5
B
♭5
B
♭3
♭3
B
♭5
B
⬤ ⬤
♭5
♭3
⬤ ⬤