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Dictionary Search Results using Damerau-Levenshtein distance in T-SQL

Here are the results of your fuzzy-string dictionary search for “trailhead” with Change Limit: [1] [2] [3] [4]

You can choose a higher Change Limit to return more words, although it will take longer.
to automatically increase the Change Limit after seconds.

6 similar words found! Changes to Transform each Found Word to your word are shown as:
 remove a letter ~ replace a letter ~ swap two letters ~ _add a letter from your word
(Use the links in the Changes column to see more Transformation details.)

Found WordScrabble ScoreSearched PreviouslyFound PreviouslyChangesTo Transform to your Word
trailhead134342(None) 
railhead1244181_railhead
trailheads1443061trailheads
nailhead1243982_nailhead
railheads1343972_railheads
trailed83415672trail_e_d

Search took 4 seconds overall (including website activity, plus SQL activity in the following phases):

  1. Length Filter: Limit the application of DLD to words with length difference of no more than the Change Limit.
  2. DLD Change Limit: Apply DLD to each remaining word, limiting each comparison according to the Change Limit.
  3. Display Results: Return the results, with similar words marked up to highlight differences.
SeqSearch PhaseWords CheckedWords MatchedSecondsWords Per Sec
1Length Filter1786911214360.440406115.9
2DLD Change Limit12143663.29636843.4
3Display Results660.000 
 (SQL Overall)17869163.73647829.5
 
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