High-Frequency Vocabulary Words 1-120 High-Frequency Vocabulary Words 501-560 YouTube: 4,000 Essential English Words 1 (Paul Nation) YouTube: 4,000 Essential English Words 2 (Paul Nation) YouTube: 4,000 Essential English Words 3 (Paul Nation) YouTube: 4,000 Essential English Words 4 (Paul Nation) YouTube: 4,000 Essential English Words 5 (Paul Nation) English Vocabulary Exercises