1. 'Affect' vs. 'Effect'

2. 'Less' vs. 'Fewer'

3. 'Who' vs. 'Whom'

4. 'Lay' vs. 'Lie'

5. 'Its' vs. 'It's'

6. 'Me' vs. 'I'

7. 'Further' vs. 'Farther'

Each segment focused on explaining the differences between these pairs of words, providing examples, and offering tips to remember their correct usage in various contexts. By mastering these commonly misused words, you'll gain more confidence and clarity in your English communication.