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

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

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.

12 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
cough	11	58	1964	(None)
bough	11	57	1931	1	bough
chough	15	69	924	1	chough
clough	12	53	913	1	clough
couch	12	53	2011	1	couch
coughs	12	55	1454	1	coughs
couth	10	61	2249	1	couth
dough	10	52	1738	1	dough
lough	9	51	1848	1	lough
rough	9	78	1943	1	rough
sough	9	53	2046	1	sough
tough	9	73	2198	1	tough

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	0.076	2351197.4
2	DLD Change Limit	28756	12	0.533	53951.2
3	Display Results	12	12	0.000
	(SQL Overall)	178691	12	0.609	293417.1