Mammoth Uncensored Word List:
103 words ending with g, 4 letters long

agog areg bang blog bong boyg brag brog bung cang chog chug clag cleg clog crag crog dang darg ding dong drag dreg drug dung fang flag fleg flog frog frug gang gleg glug gong grig hagg hang hung jagg king knag long lung magg migg mugg nogg pang peag ping plug prig pung quag ragg rang rigg ring rung sang scag scog scug shag shog sing skag skeg skug slag slog slug smog smug snag snig snog snug song spag spug stag sung swag swig taig tang tegg thig thug ting tong trog trug twig vang vugg whig wing yang yegg zing