Rule 11 refers to (SFE endings) - Words ending with a silent 'e' are written without the 'e' when adding an ending/suffix that begins with a vowel.
For example: smile + ing ' smiling
Watch the tutorial videos below to see how the Spelling Tools, Spelling Rule 11 and Reading Tools are used to spell challenging words.
Special Note:
Not all words will follow the spelling rule. These are called exceptions. If 90% or more words follow this rule then this is still a great tool to help become a proficient speller. Language experience will deal with the rest.