A spreadsheet is a software application that is primarily used for organizing, storing and analyzing data in tabular form. Synonyms for the word "Spreadsheet" include worksheet, workbook, table, grid, chart, and matrix. Worksheet refers to a single page within a spreadsheet where data is entered, calculated, and analyzed. A workbook, on the other hand, is a collection of worksheets. A table is a specific type of spreadsheet used to store and organize data in rows and columns, whereas a grid refers to the layout of a spreadsheet. A chart is a visual representation of data created from a spreadsheet, and a matrix refers to a table that displays a set of data in rows and columns that intersect at specific points.