Here is a list of nouns that start with GA.

gab, gabardine, gabble, gable, gadfly

gadget, gadgetry, gag, gage, gaggle

gagline, gaiety, gain, gainer, gaining

gait, gal, gala, galaxy, gale

gall, gallantry, gallbladder, gallery, galley

gallium, gallon, gallonage, gallop, gallstone

galvanism, gambit, gamble, gambling, game

gamebird, gamma, gamut, gang, gangland

gangplank, gangster, gangway, gantlet, gap

gapt, garage, garb, garbage, garden

gardener, gardenia, gardening, gargle, garland

garlic, garment, garnet, garrison, garter

gash, gasket, gasoline, gasp, gasser

gastronomy, gate, gateway, gathering, gaucherie

gauge, gauntlet, gauze, gayety, gaze

gazelle, gazer

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