D Major 7th (♭5) :: D F♯ A♭ C♯

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

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