The best replacement for worksheet is workbook.

The best alternatives to worksheet are rated as following:
★★★★★  workbook
★★★★★  spreadsheet
★★★  work sheet
★  workbook excel
★  excel worksheet
★  good faith estimate
  protect workbook
  handout

Your alternative for worksheet is not listed? Suggest!
Speaking about worksheet, one probably shouldn't forget about remainders.

Other search terms related to worksheet and their ratings are:
★★★★★ remainders
★★★ angles
★★ angles to measure
★★ appraisal
★★ alphabet
★ formulas
★ contractions
★ fractions
★ negative numbers
★ negative exponents
clocks
macro
You have in mind a companion for worksheet and it is not yet here? Propose!



Google Trends

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worksheet
workbook
spreadsheet