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

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

(Change Limit cannot be increased to the length of your word, because then every letter could be different!)
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
app	7	68	2760	(None)
alp	5	66	4113	1	alp
amp	7	75	4102	1	amp
ape	5	72	5118	1	ape
apo	5	111	4212	1	apo
apps	8	63	1969	1	apps
apt	5	73	5254	1	apt
asp	5	72	3534	1	asp
pap	7	67	5840	1	pap

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	5146	0.233	766914.2
2	DLD Change Limit	5146	9	0.093	55333.3
3	Display Results	9	9	0.016	562.5
	(SQL Overall)	178691	9	0.342	522488.3