Tip: click the root notes to see fingering suggestions
F Half Diminished 7th :: F A♭ B E♭

A
E
C
G
F
♭3
♭5
♭7
♭3
♭5
F
♭7
♭5
F
♭3
♭7
F
♭3
♭7
♭5
⬤ ⬤
⬤ ⬤
E♭
D Augmented 7th (♭9) :: D F♯ A♯ C E♭

A
E
C
G
♭7
♯5
3
D
♭7
♭9
♯5
D
♭7
♭9
♯5
3
D
♭7
♭9
3
D
♯5
♭9
3
⬤ ⬤
♭7
⬤ ⬤