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 "yankee doodle".
Words that have a pure rhyme on their last syllable only.
annual
    manual
      Emanuel
        Emmanuel
          factual
            contractual
              botanical
                mechanical
                  tyrannical
                    puritanical
                      electromechanical

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                        Words that "almost" rhyme on the vowel-based rhyme sound of the stressed syllable like: be/eat or maybe/shapely.
                        annual
                          manual
                            Emanuel
                              Emmanuel
                                factual
                                  contractual
                                    botanical
                                      mechanical
                                        tyrannical
                                          puritanical
                                            electromechanical

                                              "Go Pro" to see the next 65 near rhyme sets.

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                                              Rhymes made up of more than one word. For instance, "jealous" and "tell us" or "shaky" and "make me."