The phrase "puts into" refers to the act of placing or inserting something into a particular space or location. There are a number of synonyms that can be used instead of "puts into" depending on the context. Some examples include: inserts, positions, places, situates, sets, installs, embeds, fixes, lodges, plants, implants, arranges, stows, deposits, lays down, slots in, tucks in, or slots. Each of these words can be substituted for "puts into" to provide a more varied and nuanced vocabulary. Choosing the right synonym can make your writing more precise and effective.