WR has about 6,000 rhymes for "heroin" starting with...

heroine
    Pure Rhyme Set #1 of 1 (Add to/Edit Set Members)
    Words that have a pure rhyme on their last syllable only.
    baron
      barren
        heron
          marron
            perron
              lebaron
                Aaron
                  Aran
                    Aron
                      Barron
                        Charon
                          Charron
                            Farren
                              Farron
                                Ferren
                                  Ferron
                                    Herren
                                      Herron
                                        Karen
                                          Karon
                                            McFerren
                                              Sharon
                                                Theron
                                                  Veron
                                                    Yaron
                                                      End Rhyme Set #1 of 534 (Add to/Edit Set Members)
                                                      Ericksen
                                                        Erickson
                                                          Ericson
                                                            Ericsson
                                                              Erikson
                                                                Eriksson
                                                                  End Rhyme Set #2 of 534 (Add to/Edit Set Members)
                                                                  Hutcheson
                                                                    Hutchison
                                                                      End Rhyme Set #3 of 534 (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)
                                                                      baron
                                                                        barren
                                                                          heron
                                                                            marron
                                                                              perron
                                                                                lebaron
                                                                                  Aaron
                                                                                    Aran
                                                                                      Aron
                                                                                        Barron
                                                                                          Charon
                                                                                            Charron
                                                                                              Farren
                                                                                                Farron
                                                                                                  Ferren
                                                                                                    Ferron
                                                                                                      Herren
                                                                                                        Herron
                                                                                                          Karen
                                                                                                            Karon
                                                                                                              McFerren
                                                                                                                Sharon
                                                                                                                  Theron
                                                                                                                    Veron
                                                                                                                      Yaron
                                                                                                                        Near Rhyme Set #1 of 76 (Add to/Edit Set Members)
                                                                                                                        Ericksen
                                                                                                                          Erickson
                                                                                                                            Ericson
                                                                                                                              Ericsson
                                                                                                                                Erikson
                                                                                                                                  Eriksson
                                                                                                                                    Near Rhyme Set #2 of 76 (Add to/Edit Set Members)
                                                                                                                                    Marilyn
                                                                                                                                      Marilynn
                                                                                                                                        Near Rhyme Set #3 of 76 (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."
                                                                                                                                        • arrow + one
                                                                                                                                        • narrow + one
                                                                                                                                        • narrow + run
                                                                                                                                        Mosaic Rhyme Set #1 of 1 (Add to/Edit Set Members)