Key learning points

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

Keywords

• 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 misconception