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
⬤ ⬤
D Major 6th :: D F♯ A B

F
C
G
D
D
3
D
5
5
6
3
6
3
D
5
D
5
6
6
3
⬤ ⬤
D
⬤ ⬤