All guides
- English words with meaning — See what an English word means in the sentence you are reading, not in a long list of dictionary senses, and keep it with the context that makes it stick.
- Root words and etymology — Learn English words faster through their Latin and Greek roots: how roots combine, why etymology helps words stick, and how WordDNA shows them as you read.
- Business English vocabulary — Build business English vocabulary from the reports, emails and articles you read at work: meanings in context, saved with the sentence, reviewed later.
- English vocabulary app for Chrome — Stemmy is a free Chrome extension: see what a word means in your sentence, save it to a Vocabulary Wallet, and review it with spaced repetition.
- Vocabulary flashcards from your reading — Stemmy Reviews turn the words you save while reading into spaced-repetition flashcards, with the original sentence attached and no cards to type.
- Business English words in emails — Business English words that come up in work emails, each with an example sentence and its meaning in that sentence. Learn them where you meet them.
- IELTS vocabulary from reading — Build IELTS vocabulary from what you read: a method for choosing, saving and reviewing words, then a list of words drawn from reading passages.
- GRE vocabulary from reading — Learn GRE vocabulary from real reading: how to pick, save and review words, then a word list with each word in the sentence that explains it.
Elsewhere on the site
- How Stemmy works — a walk through the extension from the first lookup to the first review.
- Compare — Stemmy next to Google Dictionary, Toucan, Readlang and Relingo, with sources and dates.
- Blog — longer pieces on remembering words, dictionary definitions and WordDNA roots.