The 'tion' suffix is the most common spelling of the 'shun' sound. It's used to turn verbs into nouns if the root word ends in 't' or 'te'. For example, 'invent' becomes 'invention'.
The 'ssion' suffix is used if the root word ends in 'mit' or 'ss'. For example, 'admit' becomes 'admission'.
The 'sion' suffix is used if the root word ends in 'd' or 'se'. For example, 'tense' becomes 'tension'.
The 'cian' suffix is used if the root word ends with 'c' or 'cs'. For example, 'magic' becomes 'magician'. These words are usually jobs or professions.
Beta