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 "race head".
Words that have a pure rhyme on their last syllable only.
forehead
    warhead
      Morehead
        deadhead
          redhead
            godhead
              Brodhead

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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)
                trailhead
                  Rhymes made up of more than one word. For instance, "jealous" and "tell us" or "shaky" and "make me."
                  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.
                  Gonyea
                    Ladue
                      Moishe
                        Trabue
                          Yahweh
                            des
                              eh
                                heh
                                  reh
                                    ye
                                      yeh
                                        pirouette
                                          Moshe
                                            horseflesh
                                              Bangladesh
                                                Dinesh
                                                  Marrakech

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