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

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

21 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
pertains	10	21	1342	(None)
pertain	9	27	1496	1	pertain_
appertains	14	5	527	2	appertains
ceratins	10	28	1873	2	ceratins
certain	9	26	1221	2	certain_
curtains	10	25	970	2	curtains
destains	9	3	1181	2	destains
detains	8	37	1609	2	de_tains
detrains	9	4	1176	2	detrains
keratins	12	23	1348	2	keratins
partans	9	44	1828	2	parta_ns
pearmains	13	4	526	2	pearmains
pectins	11	23	1523	2	pect_ins
pertained	12	3	850	2	pertained
pretrains	11	4	1014	2	pretrains
retains	7	45	2225	2	re_tains
retrains	8	3	1453	2	retrains
sextains	15	24	681	2	sextains
terrains	8	4	1032	2	terrains
tertians	8	3	910	2	tertians
vervains	14	3	529	2	vervains

Search took 5 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	121059	0.406	440125.6
2	DLD Change Limit	121059	21	3.953	30624.6
3	Display Results	21	21	0.016	1312.5
	(SQL Overall)	178691	21	4.375	40843.7