Key learning points

1. The suffixes -ity and -ness turns adjectives into abstract nouns.
2. When a word ends in a consonant, just add the suffix -ity; when it ends in ‘e’, remove the ‘e’, then add -ity.
3. There are other patterns and irregular words, like ‘ability’ and ‘simplicity’.
4. For most words, just add the suffix -ness; when a word ends in ‘y’, replace the ‘y’ with ‘i’, then add the suffix -ness.
5. How to spell the curriculum words: business and opportunity.

Keywords

• Suffix - a letter or group of letters added to the end of a word to change its meaning

• Root word - the base word from which other words are formed often by adding prefixes or suffixes

• Noun - a naming word for a person, place or thing

• Abstract noun - a type of noun that names an idea or quality that cannot be seen

Common misconception