jpyokoso.com/category/vocabulary/
Site presenting Japanese vocabulary organized by JLPT level with explanations of nuanced differences between similar words and practical usage in contexts like employment, taxes, and social insurance.
VocabularyBusiness JapaneseJLPT N2LoanwordsJLPTJLPT N5JLPT N4JLPT N3JLPT N1Living in Japan