How do you reset or purge Manage Synonyms for Expense Types

Summary:

We are currently in the process of deactivating 7 expense templates and going to just 2 templates to streamline the expense entry process

How do you reset or purge Manage Synonyms for Expense Types ?

The system is not currently picking the new template and is causing incorrect expense creation. I did check the documentation, and currently, there is no mention of how to reset or purge. Any suggestions would be helpful

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):