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

Here are the results of your fuzzy-string dictionary search for “latch” 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.

15 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
latch	10	46	2046	(None)
batch	12	46	2010	1	batch
catch	12	51	2037	1	catch
hatch	13	57	1959	1	hatch
klatch	15	44	593	1	klatch
laich	10	59	2071	1	laich
larch	10	59	1979	1	larch
lath	7	66	4038	1	lat_h
letch	10	52	1580	1	letch
match	12	56	2110	1	match
natch	10	50	1822	1	natch
patch	12	52	2122	1	patch
ratch	10	42	2136	1	ratch
slatch	11	45	1053	1	slatch
watch	13	56	1706	1	watch

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	0.140	1276364.3
2	DLD Change Limit	28756	15	0.656	43835.4
3	Display Results	15	15	0.000
	(SQL Overall)	178691	15	0.796	224486.2