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 none pure rhymes for "raccoon rex".
Words that have a pure rhyme on their last syllable only.
latex
    Playtex
      cortex
        vortex
          project's
            projects

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              Words that "almost" rhyme on the vowel-based rhyme sound of the stressed syllable like: be/eat or maybe/shapely. (Click for more info)
              duplex
                unisex
                  Uzbeks
                    Rhymes made up of more than one word. For instance, "jealous" and "tell us" or "shaky" and "make me."
                    There are no mosaic rhymes for "raccoon rex".
                    Words that rhyme on the vowel-based rhyme sound of the last syllable only (for instance: “maybe” and “eat”). Near End Rhymes generally (but not always!) suck. Nonetheless, we provide them for you just in case you may find something useful.
                    wavelengths
                      Stonehenge
                        workbench

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