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 "ya lil foot".
Words that have a pure rhyme on their last syllable only.
foot
    put
      soot
        afoot
          underfoot
            Foote
              barefoot
                input
                  shot put
                    forefoot
                      coltsfoot
                        output
                          goosefoot
                            throughput
                              Bigfoot
                                Lightfoot
                                  Blackfoot
                                    Proudfoot
                                      Crofoot
                                        Words that "almost" rhyme on the vowel-based rhyme sound of the stressed syllable like: be/eat or maybe/shapely.
                                        shot put
                                          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 "ya lil foot".