There are several synonyms for the phrase "cut into pieces" that can be used to convey the same meaning. Some of these synonyms include chop, dice, slice, carve, quarter, mince, shred, and dismember. Each of these words denotes the act of cutting something into smaller, more manageable portions. For instance, chop is used when referring to cutting something into larger pieces, while mince describes the act of cutting something into very small pieces. In summary, these synonyms offer a wide range of word choices that can be used in place of the phrase "cut into pieces" to add variety and nuance to your writing.