Root on A string
no fifthx8788x
F9 is the F dominant 9 chord. Its notes are F, A, C, E♭ and G. A dominant seventh with a ninth added. Try it in a blues turnaround.
x8788x
Numbers show frets from the low E string to the high e string; x means don't play that string.
Every F, A, C, E♭ and G on the first 12 frets. The filled dots are the root, F. Build your own shape from any nearby group.
Other F chords
Other dominant 9 chords