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 "na oak".
Words that have a pure rhyme on their last syllable only.
bloke
    broke
      choke
        cloak
          cloke
            coke
              croak
                doke
                  folk
                    joke
                      moke
                        oak
                          poke
                            smoke
                              soak
                                spoke
                                  stoke
                                    stroke
                                      woke
                                        yoke
                                          yolk
                                            awoke
                                              evoke
                                                invoke
                                                  misspoke
                                                    provoke
                                                      revoke
                                                        Baroque
                                                          Boak
                                                            Boeke
                                                              Cocke
                                                                Doak
                                                                  Hoke
                                                                    Knoke
                                                                      Koch
                                                                        Kolk
                                                                          Polk
                                                                            Roque
                                                                              Snoke
                                                                                Wolk
                                                                                  Wouk
                                                                                    townsfolk
                                                                                      slowpoke
                                                                                        keystroke
                                                                                          backstroke
                                                                                            hair stroke
                                                                                              artichoke
                                                                                                artichoke
                                                                                                  masterstroke
                                                                                                    countryfolk
                                                                                                      Windhoek
                                                                                                        Roanoke
                                                                                                          Pembroke
                                                                                                            Holyoke
                                                                                                              Words that "almost" rhyme on the vowel-based rhyme sound of the stressed syllable like: be/eat or maybe/shapely.
                                                                                                              artichoke
                                                                                                                artichoke
                                                                                                                  Rhymes made up of more than one word. For instance, "jealous" and "tell us" or "shaky" and "make me."