Dictionary.com
definitions
  • synonyms

-sion

  1. a noun suffix appearing in loanwords from Latin: compulsion.
Show More
Compare -tion.

Origin of -sion

< Latin, equivalent to -s(us), variant of -tus past participle suffix + -iōn- -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018