Discover words where every letter appears only once — useful for Wordle starters, pangram hunts, and vocabulary curiosities.
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Frequently Asked Questions
What is a unique-letter word?
No letter repeats — like about (5 distinct letters) or uncopyrightable (long isograms).
Length filter?
Optional exact length narrows the list.
Wordle connection?
Many top openers use five unique letters — see Wordle Starter Word Analyzer.
draft21 privacy?
Browser-only.
Mobile?
Yes, free.
Opposite search?
Contains Letters Finder for required letters.