Linguists and language experts agree that vocabulary acquisition follows a law of diminishing returns. You do not need to memorize the entire English dictionary to speak fluently. Instead, you need to focus on high-frequency words.
You can also explore standardized frameworks like the American Oxford 5000 . These documents categorize words by CEFR levels, allowing you to easily track your progress from B1 up to C1. 4500 Key English Words Pdf
Tier 3: The Advanced & Academic Layer (Words 3,501 – 4,500) 501 – 4
She decided to a small business from home. 4500 Key English Words Pdf