Here you will find different wordlists categorized by level according to CEFR.
Here you will find extensive wordlists categorized by topic. Each topic includes subcategories that will help you expand your vocabulary knowledge.
Here you will find lists of English vocabulary based on how common they are used in the English language.
英语水平测试
ESL课程书籍词汇表
Here is essential vocabulary for the Cambridge English exams: A2 Key (KET), B1 Preliminary (PET), B2 First (FCE), C1 Advanced (CAE), and C2 Proficiency (CPE).