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Year 6 - English

Spelling words with the suffix -ous and -cious

Homophones and tense

Unit Summary

In this unit, pupils build and review a range of spelling patterns with a focus on homonyms, homophones and a wide range of suffixes, including -ed, -ing, -er, -est, -s, -ies, -es, -ves, -le, -el, -il, -al, -cian, -tion, -sion, -ssion, -ous, -tious, -cious, -cial and -tial.

Lesson Summary

You will learn to spell words with the suffix -cious.

Key Notes

  • There are four spelling rules when adding -ous to a root word.
  • If the root word ends in 'ce', use the suffix -cious
  • The suffix -cious generally turns a noun into an adjective.
  • Exceptions or harder root words to identify include these words: anxious, conscious, delicious, suspicious, precious.
  • How to spell the curriculum words: prejudice, accommodate and accompany.

Vocabulary To Learn

  • suffix: a letter or group of letters added to the end of a root word
  • root word: the base word from which other words are formed often by adding prefixes or suffixes
  • noun: a naming word for people, places and things
  • adjective: describes a noun

Common Mistakes To Avoid

  • Pupils may not know or understand the meaning of many words encountered in the lesson.

3 Quick Questions (With Answers)

1. Explain this English learning goal in two key points.

There are four spelling rules when adding -ous to a root word. If the root word ends in 'ce', use the suffix -cious.

2. Define this language term and use it in a sentence. 'suffix'

a letter or group of letters added to the end of a root word.

3. Correct this common English misunderstanding.

Mistake: Pupils may not know or understand the meaning of many words encountered in the lesson. Correction: Put all unfamiliar vocabulary into simple sentences to expose children to the meaning. Make links to root words where possible.

More Lessons In This Unit

Browse all guides in the Year 6 English guide library.