Words Ending in TION: Spelling, Stress and Word Families
The suffix -tion commonly forms nouns, but the spelling of the base word may change.
Clear Explanation
• Act becomes action with a direct base connection.
• Decide becomes decision with a spelling and sound change.
• Inform becomes information.
• Stress often falls before the -tion ending.
• Learn the whole word family to support spelling and part-of-speech recognition.
Examples
The decision required more information.
Education can create new opportunities.
The action produced a quick reaction.
Quick Comparison
education
information
Common Mistake
Do not add -tion mechanically to every verb; derivational spelling is word-specific.
Frequently Asked Questions
Are -tion words usually nouns?
Yes, many are nouns naming actions, processes, or results.
Why does decide become decision?
English word formation can change spelling and sound at the suffix boundary.