English

A free English word reference: definitions, IPA pronunciation, confusable pairs, homophones, and spelling corrections from the open Wiktionary corpus.

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Which letters start the most English words?

Most common initial letters in English

Top 10 letters, ranked by how many indexed words begin with each

words
Source PlainSpell · Wiktionary corpus As of 2026

Top 5 confusable pairs at a glance

Ranked by composite frequency × visual-similarity score. Higher bar = more likely to cause real-world substitution.

  1. 1theirvsthere
  2. 2thanvsthen
  3. 3loosevslose
  4. 4advicevsadvise
  5. 5complementvscompliment

Source: Wiktionary (via kaiki.org) English confusables export · Q2 2026 Confusable scores combine word-frequency rank and Damerau–Levenshtein similarity.

Source & data vintage

Source: Wiktionary (CC BY-SA 4.0) English headword + definitions corpus · Q2 2026 Aggregated and indexed via kaiki.org dictionary export. Confusable pairs are computed; homophone groups are derived from IPA matches.