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 "g go goo".
Words that have a pure rhyme on their last syllable only.
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      menu
        venue
          nephew
            grandnephew

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              Words that "almost" rhyme on the vowel-based rhyme sound of the stressed syllable like: be/eat or maybe/shapely.
              emu
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                  rearview
                    feverfew
                      Mogadishu
                        Vibhu
                          Hebrew
                            Rhymes made up of more than one word. For instance, "jealous" and "tell us" or "shaky" and "make me."