Possible Clues:

• Start of a spelling rule
• Rule that keeps you from spelling weirdly?
• Rule with many exceptions
• General spelling rule, and what must be imagined in the starred clues to make them accurate
• Start of a weird infraction?
• Rule broken in leisure?
• Start of an English rule, and this puzzle's theme
• Start of a rule that keeps you from spelling weirdly?
• Start of a school rule
• Start of a rule with numerous exceptions