F eleventh chords
F11 chord for piano presented by keyboard diagrams.
Explanation: The F eleventh is a six note chord. Due to practical circumstances and/or dissonance the third (A) is omitted in F11 and/or the chord is played inverted. The chord is often abbreviated as F11.
Theory: The F eleventh chord is constructed by adding a third to a ninth chord.
Notes: F - A - C - Eb - G - Bb