Words that have identical vowel-based rhyme sounds in the tonic syllable. Moreover, that tonic syllable must start with a different consonantal sound.
There are no pure rhymes for "y child".
Words that have a pure rhyme on their last syllable only.
reconciled
    unreconciled
      child
        filed
          mild
            piled
              riled
                smiled
                  styled
                    tiled
                      wild
                        beguiled
                          compiled
                            refiled
                              restyled
                                reviled
                                  Schild
                                    Wilde
                                      Wylde
                                        grandchild
                                          brainchild
                                            schoolchild
                                              grandchild
                                                profiled
                                                  stepchild
                                                    stockpiled
                                                      exiled
                                                        exiled
                                                          Rothschild
                                                            Fairchild
                                                              Idlewild
                                                                Words that "almost" rhyme on the vowel-based rhyme sound of the stressed syllable like: be/eat or maybe/shapely.
                                                                Idlewild
                                                                  Rhymes made up of more than one word. For instance, "jealous" and "tell us" or "shaky" and "make me."