IELTS Vocabulary Spelling Test — Band 7+ Writing Words (B2–C1)

C1 Vocabulary

If you’re aiming for Band 7+ in IELTS Writing, the examiner is looking for sophisticated vocabulary used accurately — and a spelling mistake on precisely the kind of high-value word that earns you points can pull your Lexical Resource score straight back down.

This collection drills 25 Band 7+ words that appear repeatedly in examiner-approved Task 1 and Task 2 responses:

  • Task 1 (data description): fluctuate, plateau, discrepancy, substantial, negligible
  • Task 2 (argument and opinion): acknowledge, advocate, phenomenon, prevalent, compelling
  • Cause & effect analysis: exacerbate, alleviate, detrimental, unprecedented
  • Academic linkers: consequently, nevertheless, notwithstanding

Each word comes with a precise definition and an example sentence written in the formal, analytical register that IELTS examiners expect — so you learn the spelling and the essay context in one pass.

Looking for basic IELTS spelling traps like accommodation, necessary, and environment? Start with our IELTS commonly misspelled words first. Ready to level up your lexical resource? Press play below.

25 words in this collection

Word 1 of 25

Definition

to make a difficult situation or a problem less severe

Government subsidies were introduced to _______ the financial burden on low-income families.