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

Here are the results of your fuzzy-string dictionary search for “underclassman” with Change Limit: [1] [2] [3] [4] [5] [6] [7]

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.

18 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
underclassman	18	23	116	(None)
underclassmen	18	17	179	1	underclassmen
upperclassman	21	15	84	2	upperclassman
underclass	13	4	488	3	underclass___
underclasses	15	5	313	3	underclass_es
upperclassmen	21	15	93	3	upperclassmen
underclays	16	4	424	4	underclays___
interclass	12	4	699	5	interclass___
underclad	13	4	556	5	undercl____ad
underclay	15	4	506	5	undercl____ay
undercoats	13	4	662	5	undercoats___
underlain	10	4	868	5	under_la___in
underlaps	12	14	682	5	under_laps___
underlayment	18	5	340	5	under_la_yment
underlays	13	14	688	5	under_lays___
underpass	12	13	678	5	under_pass___
underpasses	14	4	466	5	under_pass_es
underplays	16	4	465	5	underplays___

Search took 10 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	124790	0.470	380193.6
2	DLD Change Limit	124790	18	9.156	13629.3
3	Display Results	18	18	0.000
	(SQL Overall)	178691	18	9.626	18563.4