Accrete to is a phrase that is commonly used to describe the process of gradually accumulating or growing in size. There are several synonyms that can be used in place of "accrete to" to convey the same meaning. Some of these include "accumulate," "amass," "build up," "grow," "enlarge," and "expand." These synonyms can be used in a variety of contexts, such as describing the growth of a business, the accumulation of wealth, or the buildup of sedimentary rocks. Regardless of the specific usage, all of these synonyms for "accrete to" convey the idea of something gradually increasing in size and volume over time.