gulch

n (US) deep narrow rocky valley 峡谷.

guilder, guile, guileful, guilefully, guileless, guilelessly, guillemot, guillotine, guilt, guiltily, guiltiness, guiltless, guilty, guinea, guinea-fowl, guinea-pig, Guinness, guise, guitar, guitarist, gulden, gulf, Gulf Stream, gull, gullet, gullibility, gullible, gullibly, gully, gulp, gum, gum-tree, gumbo, gumboil, gumboot, gummy, gumption, gun, gun cotton, gun dog,