F Diminished :: F A♭ B

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

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