WikiRhymer has about 3,000 rhyming words and phrases for "mountains" starting with...

#{t(page[:type] + "_def")}
fountains
    mountain's
      #{t(page[:type] + "_def")}
      cantons
        plantains
          Atlantans
            cannon's
              cannons
                canon's
                  canons
                    Atlantans
                      Buchanan's
                        Montanans
                          Shannon's
                            gowans
                              Cowans
                                McGowan's
                                  Palauans

                                    To access all WikiRhymer data, you must "Go Pro." It's only $7.00 a year!

                                    Click here to "Go Pro"

                                    #{t(page[:type] + "_def")}
                                    gowans
                                      Cowans
                                        McGowan's
                                          Palauans
                                            thousands
                                              plowman's
                                                houseman's
                                                  #{t(page[:type] + "_def")}
                                                  • around + guns
                                                  • brown + ones
                                                  • brown + sons
                                                  • down + guns
                                                  • down + ones
                                                  • down + runs
                                                  • down + tons
                                                  • town + ones
                                                  • town + runs
                                                  #{t(page[:type] + "_def")}
                                                  billionth
                                                    millionth
                                                      seventh
                                                        eleventh
                                                          month
                                                            thousandth
                                                              eleventh
                                                                Corinth

                                                                  To access all WikiRhymer data, you must "Go Pro." It's only $7.00 a year!

                                                                  Click here to "Go Pro"