Similar words
pliego
pliego is more technical, a printing term for a full sheet before folding; folio is more everyday, a sheet or page of paper.
Similar in other languages
French
drap
drap is the French word for the same thing — both mean "sheet."
Portuguese
lençol
lençol is the Portuguese word for the same thing — both mean "sheet."
Practice
1 What does folio mean?
sheet
2 Fill the gap: Escribió en un ___.
Full sentence: Escribió en un folio. (He wrote on a sheet.)
3 Which fingerprint chart matches folio?
folio: neutral register, common frequency, general domain, neutral connotation.