More Words Ending in '-cious' / '-tious'
English: Year 5 & 6 National Curriculum, topic 1.3.2
Words Ending in '-cious' or '-tious'

'C' or 't'?
- We can determine whether to use a 'c' or a 't' by looking at the root word.
- If the word ends in '-ce', it will take the suffix '-cious'.
- If a word does not end in '-ce', it will use the suffix '-tious'.
- nutrition nutritious

There's one exception
- With the word 'anxiety' we use the suffix '-xious'
- anxiety anxious

Examples
- ambition → ambitious
- infection → infectious
Test yourself on More Words Ending in '-cious' / '-tious'
Which word should fill the gap?
Sam is in the hospital because he is ____.Which word should fill the gap?
Bella likes to eat fruit because it is ____.