Using Tries for Prefix-Aware Typo Correction

📚 Series: Typo-Tolerant Autocomplete Part 1Autocomplete in Search : Design Constraints When You Can’t Reindex Part 2Using Tries for Prefix-Aware Typo Correction (current) Part 3Bounding Typo Correction with Edit Distance Part 4A Query-Time Approach to Typo-Tolerant Autocomplete ← Previous: Autocomplete in Search : Design Constraints When You Can’t ReindexNext: Bounding Typo Correction with Edit Distance → In the previous post, we looked at a query-time architecture for typo-tolerant autocomplete. That architecture depends on one core capability: efficiently reasoning about prefixes. ...

February 2, 2026 · 3 min · Navaneeth P T