The phrase "change into" has a number of synonyms that can be used to express the same idea in different ways. These include words like transform, convert, morph, switch, and shift. To transform something means to change its form or nature completely, while to convert something means to change it from one type or form to another, such as from a liquid to a solid. To morph means to undergo a physical or structural change, while to switch or shift implies a more subtle or incremental change. Whatever word you choose, it's clear that the act of changing into something else is a fundamental process that occurs all around us, both in nature and in our daily lives.