WR has about 900 rhymes for "thirst" starting with...

burst
    cursed
      durst
        first
          nursed
            pursed
              versed
                worst
                  coerced
                    conversed
                      disbursed
                        dispersed
                          emersed
                            headfirst
                              immersed
                                rehearsed
                                  reversed
                                    submersed
                                      traversed
                                        interspersed
                                          reimbursed
                                            unrehearsed
                                              Hearst
                                                Hirst
                                                  Hurst
                                                    Kerst
                                                      Kirst
                                                        Wurst
                                                          • at first
                                                          • first things first
                                                          • do one's worst
                                                          • at the worst
                                                          • if worst comes to worst
                                                          Pure Rhyme Set #1 of 1 (Add to/Edit Set Members)
                                                          Words that have a pure rhyme on their last syllable only.
                                                          Whitehurst
                                                            Whitehurst's
                                                              End Rhyme Set #1 of 3 (Add to/Edit Set Members)
                                                              Dewhirst
                                                                Dewhurst
                                                                  End Rhyme Set #2 of 3 (Add to/Edit Set Members)
                                                                  outburst
                                                                    bratwurst
                                                                      traversed
                                                                        cloudburst
                                                                          Bathurst
                                                                            Lyndhurst
                                                                              Bringhurst
                                                                                Amherst
                                                                                  Elmhurst
                                                                                    Allenhurst
                                                                                      End Rhyme Set #3 of 3 * (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)
                                                                                      burse
                                                                                        curse
                                                                                          firsts
                                                                                            hearse
                                                                                              merce
                                                                                                nurse
                                                                                                  perce
                                                                                                    pers
                                                                                                      perse
                                                                                                        purse
                                                                                                          terse
                                                                                                            verse
                                                                                                              worse
                                                                                                                adverse
                                                                                                                  adverse
                                                                                                                    averse
                                                                                                                      coerce
                                                                                                                        converse
                                                                                                                          disburse
                                                                                                                            disperse
                                                                                                                              diverse
                                                                                                                                emerse
                                                                                                                                  immerse
                                                                                                                                    inverse
                                                                                                                                      obverse
                                                                                                                                        perverse
                                                                                                                                          rehearse
                                                                                                                                            reverse
                                                                                                                                              submerse
                                                                                                                                                transverse
                                                                                                                                                  traverse
                                                                                                                                                    intersperse
                                                                                                                                                      reimburse
                                                                                                                                                        Bearce
                                                                                                                                                          Pearse
                                                                                                                                                            • visiting nurse
                                                                                                                                                            • line one's purse
                                                                                                                                                            • in reverse
                                                                                                                                                            • from bad to worse
                                                                                                                                                            • go from bad to worse
                                                                                                                                                            • for the worse
                                                                                                                                                            • for better or for worse
                                                                                                                                                            • take a turn for the worse
                                                                                                                                                            • turn for the worse
                                                                                                                                                            • all the worse
                                                                                                                                                            Near Rhyme Set #1 of 43 (Add to/Edit Set Members)
                                                                                                                                                            bursts
                                                                                                                                                              firsts
                                                                                                                                                                Hearst's
                                                                                                                                                                  Near Rhyme Set #2 of 43 (Add to/Edit Set Members)
                                                                                                                                                                  berths
                                                                                                                                                                    births
                                                                                                                                                                      earth's
                                                                                                                                                                        earths
                                                                                                                                                                          worths
                                                                                                                                                                            rebirths
                                                                                                                                                                              Worth's
                                                                                                                                                                                Near Rhyme Set #3 of 43 (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."

                                                                                                                                                                                No mosaic rhymes for one-syllable words.