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

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

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

9 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 Word	Scrabble Score	Searched Previously	Found Previously	Changes	To Transform to your Word
couth	10	61	2249	(None)
couch	12	53	2011	1	couch
cough	11	58	1964	1	cough
couths	11	57	1541	1	couths
mouth	10	54	2029	1	mouth
routh	8	64	2307	1	routh
scouth	11	50	1115	1	scouth
south	8	52	2357	1	south
youth	11	53	1504	1	youth

Search took 1 second overall (including website activity, plus SQL activity in the following phases):

Length Filter: Limit the application of DLD to words with length difference of no more than the Change Limit.
DLD Change Limit: Apply DLD to each remaining word, limiting each comparison according to the Change Limit.
Display Results: Return the results, with similar words marked up to highlight differences.

Seq	Search Phase	Words Checked	Words Matched	Seconds	Words Per Sec
1	Length Filter	178691	28756	0.280	638182.1
2	DLD Change Limit	28756	9	0.500	57512.0
3	Display Results	9	9	0.000
	(SQL Overall)	178691	9	0.780	229091.0