Formal:
* Worksheet: This is a very common alternative, often used in the context of software programs like Microsoft Excel.
* Table: This is a more general term that could refer to any organized data in rows and columns.
* Data sheet: This emphasizes the function of the spreadsheet as a container for data.
* Electronic ledger: This term emphasizes the spreadsheet's use for financial accounting.
Informal:
* Grid: This emphasizes the structure of the spreadsheet.
* Chart: This is a more general term, but can be used if the spreadsheet is visually focused.
* Calculator: This is informal, but emphasizes the spreadsheet's computational capabilities.
Other:
* Database: While not a direct synonym, a database can store and manage data similarly to a spreadsheet, but with greater complexity and features.
* Data visualization: This refers to the process of visually representing data, which a spreadsheet can help with.
The best word to use will depend on the specific situation and the intended meaning.