How to spell the 'shun' sound

The 'shun' sound can be spelt in three different ways. Which one you use depends on the last letter or letters of the root word.

  • If the root word ends with 'c' or 'cs' use the -cian suffix: magic - magician
  • When the root word ends with 'd' or 'se' the suffix used is usually -sion: expand - expansion
  • If the root word ends with 't' or 'te' use -tion: invent - invention

Can you think of any more?