WikiRhymer has about 6,000 rhyming words and phrases for "water" starting with...

daughter
    slaughter
      Lawter
        Straughter
          • like lambs to the slaughter
          Pure Rhyme Set #1 of 1 (Add to/Edit Set Members)
          Words that have a pure rhyme on their last syllable only.
          doctor
            Wachter
              • couch doctor
              End Rhyme Set #1 of 619 (Add to/Edit Set Members)
              author
                Rother
                  End Rhyme Set #2 of 619 (Add to/Edit Set Members)
                  altar
                    alter
                      falter
                        halter
                          psalter
                            Balter
                              Gibraltar
                                Malter
                                  Salter
                                    Saulter
                                      Walter
                                        • leave at the altar
                                        End Rhyme Set #3 of 619 (Add to/Edit Set Members)

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                                        Words that "almost" rhyme on the vowel-based rhyme sound of the stressed syllable like: be/eat or maybe/shapely. (Click for more info)
                                        doctor
                                          Wachter
                                            • couch doctor
                                            Near Rhyme Set #1 of 40 (Add to/Edit Set Members)
                                            author
                                              Rother
                                                Near Rhyme Set #2 of 40 (Add to/Edit Set Members)
                                                altar
                                                  alter
                                                    falter
                                                      halter
                                                        psalter
                                                          Balter
                                                            Gibraltar
                                                              Malter
                                                                Salter
                                                                  Saulter
                                                                    Walter
                                                                      • leave at the altar
                                                                      Near Rhyme Set #3 of 40 (Add to/Edit Set Members)

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                                                                      Rhymes made up of more than one word. For instance, "jealous" and "tell us" or "shaky" and "make me."

                                                                      We have no mosaic rhymes for "water".

                                                                      Mosaic Rhyme Set #1 of 1 (Add to/Edit Set Members)