The phrase "larger part" refers to a majority or the greater portion of something. There are a variety of synonyms that can be used to convey a similar meaning, such as "majority," "bulk," "predominance," "mass," "plurality," or "preponderance". Each of these words encapsulates the idea that there is a significant amount or proportion of something that makes up the larger part. Depending on the context, other synonyms may include "main," "principal," or "primary" part. Regardless of the specific word used, the idea behind a "larger part" is that it represents a substantial quantity or importance within a given context.