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

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

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
scratcher	16	3	544	(None)
scratched	17	3	539	1	scratched
scratchers	17	4	429	1	scratchers
scratches	16	4	732	1	scratches
scratchier	17	4	434	1	scratchier
catcher	14	31	1582	2	_c_atcher
cratches	15	30	1254	2	_cratches
schatchen	19	4	385	2	schatchen
scraiched	17	4	420	2	scraiched
scratch	14	4	601	2	scratch__
scratchy	18	4	365	2	scratch_y
screecher	16	14	447	2	screecher
scutcher	15	17	696	2	sc_utcher
snatcher	13	16	776	2	s_natcher
stretcher	14	4	629	2	stretcher

Search took 4 seconds 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	121436	0.143	1249587.4
2	DLD Change Limit	121436	15	3.766	32245.4
3	Display Results	15	15	0.013	1153.8
	(SQL Overall)	178691	15	3.922	45561.2