Root on A string
no fifthx-10-8-10-10-x
Gm9 is the G minor 9 chord. Its notes are G, B♭, D, F and A. A minor seventh with a ninth. This compact grip omits the fifth.
x-10-8-10-10-x
Numbers show frets from the low E string to the high e string; x means don't play that string.
Every G, B♭, D, F and A on the first 12 frets. The filled dots are the root, G. Build your own shape from any nearby group.
Other G chords
Other minor 9 chords