Preview 1
Suffix spelling rules - double letters Usually when you add a suffix to a root word the spelling of both stays the same: e.g. care + ful = careful But there are several important groups of words where the spelling of the root word changes when you add a suffix. Sometimes the spelling changes because of the 'Doubling' rules.
Preview 1
Preview 2
Preview 3
Preview 4
Preview 5
Preview 6