The spelling of the phrase "tramples up on" can be a bit tricky. It consists of three separate words, each with their own unique pronunciation. "Tramples" is pronounced as "ˈtræmpəlz" with the emphasis on the first syllable. "Up" is pronounced as "ʌp," which rhymes with "cup." Finally, "on" is pronounced as "ɒn," which rhymes with "gone." When combined, the phrase means to step on or crush something. It is important to know the correct spelling and pronunciation in order to use it properly in written and spoken communication.