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 "race days".
Words that have a pure rhyme on their last syllable only.
railway's
    railways
      Trailways
        gateway's
          gateways
            Thursday's
              Thursdays

                "Go Pro" to see the next 16 end rhyme sets.

                Click here to "Go Pro"

                Words that "almost" rhyme on the vowel-based rhyme sound of the stressed syllable like: be/eat or maybe/shapely.
                railway's
                  railways
                    Trailways
                      gateway's
                        gateways
                          mainstays
                            aways
                              lengthways
                                mayonnaise
                                  Safeway's
                                    Rhymes made up of more than one word. For instance, "jealous" and "tell us" or "shaky" and "make me."