Other hyponyms of written document include
ballot,
brevet,
capitulation,
certificate,
certification,
credential,
credentials,
charter,
commercial document,
commercial instrument,
confession,
copyright,
right of first publication,
enclosure,
inclosure,
form,
instrument,
legal document,
official document,
papyrus,
patent,
patent of invention,
platform,
political platform,
political program,
program,
resignation,
declaration,
resolution,
resolve,
source,
specification,
voucher,
report,
study,
written report.