WikiRhymer has about 700 rhyming words and phrases for "Colgate" starting with...

Holgate
    Pure Rhyme Set #1 of 1 (Add to/Edit Set Members)
    Words that have a pure rhyme on their last syllable only.
    locate
      relocate
        End Rhyme Set #1 of 80 (Add to/Edit Set Members)
        rotate
          notate
            End Rhyme Set #2 of 80 (Add to/Edit Set Members)
            foliate
              exfoliate
                End Rhyme Set #3 of 80 (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)
                locate
                  relocate
                    Near Rhyme Set #1 of 7 (Add to/Edit Set Members)
                    rotate
                      notate
                        Near Rhyme Set #2 of 7 (Add to/Edit Set Members)
                        foliate
                          exfoliate
                            Near Rhyme Set #3 of 7 (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."
                            • bowl + straight
                            • coal + grate
                            • coal + rate
                            • control + eight
                            • control + fate
                            • control + freight
                            • control + gate
                            • control + great
                            • control + late
                            • control + plate
                            • control + rate
                            • control + state
                            • control + weight
                            • goal + date
                            • goal + late
                            • goal + rate
                            • goal + state
                            • goal + weight
                            • hole + eight
                            • hole + plate
                            • hole + state
                            • hole + straight
                            • hole + weight
                            • ole + state
                            • parole + date
                            • pole + eight
                            • pole + gate
                            • pole + straight
                            • role + fate
                            • role + state
                            • roll + rate
                            • roll + straight
                            • sol + state
                            • sole + great
                            • sole + plate
                            • sole + state
                            • sole + weight
                            • soul + great
                            • soul + mate
                            • soul + sate
                            • soul + state
                            • soul + straight
                            • soul + wait
                            • stole + eight
                            • toll + gate
                            • toll + rate
                            • whole + ate
                            • whole + crate
                            • whole + date
                            • whole + eight
                            • whole + fate
                            • whole + freight
                            • whole + gait
                            • whole + gate
                            • whole + great
                            • whole + late
                            • whole + plate
                            • whole + rate
                            • whole + slate
                            • whole + spate
                            • whole + state
                            • whole + straight
                            • whole + strait
                            • whole + weight
                            Mosaic Rhyme Set #1 of 1 (Add to/Edit Set Members)