Goldmine rhymes with:
landmine, akamine, alamein, allgemeine, calamine, cholestyramine, clomipramine, dopamine, komine, landmine, undermine
Goldmine sounds like:
gallatin, galton, gaulden, gaultney, gelatin, gelatine, gilden, gildon, gjelten, gladden, gladman, gladney, gladwin, gleaton, glidden, gluten, gluttony, golden, goldeneye, goldin, goldman, goldmann, goldome, goldwin, goldwyn, goulden, gualdoni, guillotine, guldin, gwaltney