About these guides
Every article here starts from a real question — "affect or effect?", "how do I paraphrase without plagiarizing?", "how do I end a professional email?" — and answers it in the first paragraph before moving on to explanations, examples and exceptions. Spelling and usage follow Merriam-Webster for American English and Oxford for British English, and where the two differ, both are shown. Citation guides follow the official APA, MLA and Chicago manuals. Sources are named in each article, and every page carries an update date. How the guides are produced, including where AI assistance is used, is explained in the Editorial & AI policy.
Looking for one word pair? Open Commonly confused words. Need a short definition? See the glossary. Would rather get straight to work? Every tool is free with no sign-up. Guides for other languages are written natively on each language edition — the Indonesian guides, for example, follow KBBI and EYD V.