D Dominant 7th (♭5) :: D F♯ A♭ C

F
C
G
D
♭7
D
3
♭5
D
♭5
3
♭7
3
♭5
♭7
D
♭5
D
♭7
3
⬤ ⬤
♭7
D
⬤ ⬤
B Sus 4th :: B E F♯

F
C
G
D
5
4
4
B
5
B
5
4
B
4
B
5
⬤ ⬤
⬤ ⬤