IELTS Vocabulary — 500+ Essential Words by Topic

Research suggests Band 7 IELTS candidates typically have an active vocabulary of around 7,000–8,000 words and a recognition vocabulary of 15,000+. However, knowing high-frequency academic vocabulary (AWL words) and topic-specific vocabulary for common IELTS topics is more important than raw word count.

The most common IELTS Writing Task 2 topics include: Education, Technology and Innovation, Environment and Climate Change, Health and Lifestyle, Crime and Justice, Globalisation, Work and Economy, and Media and Communication. Preparing vocabulary for these topics will cover the vast majority of essay prompts.

The most effective methods are: (1) learn words in context with example sentences, (2) focus on collocations (words that naturally go together), (3) review vocabulary within 24 hours using spaced repetition, (4) use new words in your writing and speaking practice immediately, (5) keep a vocabulary notebook organised by topic.

Use vocabulary that you are confident with. Examiners penalise inappropriate or incorrect use of complex words far more than simple but accurate language. Aim to use a range of vocabulary accurately — include some Band 7–8 words in appropriate contexts, but never sacrifice accuracy for complexity.