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 90 (Add to/Edit Set Members)
        rotate
          notate
            End Rhyme Set #2 of 90 (Add to/Edit Set Members)
            too late
              to late
                End Rhyme Set #3 of 90 (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."

                            We have no mosaic rhymes for "Colgate".

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