Mammoth Uncensored Word List:
41 - 4 letter words starting with go

goad goaf goal goas goat gobo gobs gods goel goer goes goey goji gold gole golf golp gone gong gonk gons good goof gool goon goop goor goos gore gorp gory gosh goth gouk gout gowd gowf gowk gowl gown goys