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 "gadfly".
Words that have a pure rhyme on their last syllable only.
walleye
    Dalai
      wifi
        hifi
          reclassify
            unclassify

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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)
              reclassify
                unclassify
                  gratify
                    ratify
                      stratify
                        classify
                          pacify
                            declassify

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                              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.
                              occupied
                                preoccupied
                                  unoccupied
                                    penile
                                      senile
                                        percentile
                                          Gentile

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