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

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

(Found more than 100 similar words, so Change Limit cannot be increased.)
Check this box to automatically search another random word after seconds.

104 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
teach	10	52	2112	(None)
beach	12	46	2389	1	beach
each	9	55	3058	1	_each
leach	10	54	2252	1	leach
peach	12	54	2249	1	peach
reach	10	51	2388	1	reach
tach	9	61	3275	1	t_ach
tech	9	59	2544	1	te_ch
tench	10	56	2000	1	tench
teuch	10	52	1485	1	teuch
attach	11	11	839	2	attach
bach	11	61	3139	2	_bach
beachy	16	40	1125	2	beachy
beech	12	43	1550	2	beech
belch	12	44	1550	2	belch
bench	12	56	1950	2	bench
bleach	13	36	1140	2	bleach
brach	12	61	2330	2	brach
breach	13	42	1372	2	breach
clach	12	46	1782	2	clach
coach	12	59	1945	2	coach
deash	9	56	1724	2	deash
death	9	48	2252	2	death
detach	12	3	1041	2	detach
eath	7	57	3566	2	_eath
etch	9	54	1914	2	_etch
fetch	13	49	1347	2	fetch
heath	11	57	2428	2	heath
heuch	13	53	1233	2	heuch
kench	14	55	1392	2	kench
ketch	14	49	1202	2	ketch
leachy	14	41	973	2	leachy
leash	8	55	1921	2	leash
lech	9	68	2544	2	le_ch
leech	10	49	1321	2	leech
letch	10	52	1580	2	letch
loach	10	51	1636	2	loach
mach	11	61	3448	2	_mach
merch	12	54	1796	2	merch
neath	8	60	2028	2	neath
orach	10	52	1923	2	orach
peace	9	50	2608	2	peace
peachy	16	45	1084	2	peachy
pech	11	61	2545	2	pe_ch
perch	12	45	1883	2	perch
pleach	13	42	1124	2	pleach
poach	12	49	1786	2	poach
preach	13	36	1392	2	preach
react	7	46	3433	2	react
retch	10	48	1830	2	retch
reteach	12	3	741	2	reteach
roach	10	57	1700	2	roach
search	11	33	1242	2	search
stench	11	41	1116	2	stench
tace	6	53	4251	2	t_ace
tache	10	62	2237	2	t_ache
tachs	10	58	2093	2	t_achs
tack	10	65	3629	2	t_ack
taco	6	70	3135	2	t_aco
tact	6	73	4903	2	t_act
tea	3	73	5332	2	tea__
teacher	12	37	1483	2	teacher
teaches	12	27	1835	2	teaches
teacup	10	3	625	2	teacup
teak	8	59	3084	2	tea_k
teaks	9	42	2290	2	teaks
teal	4	55	4650	2	tea_l
teals	5	62	3413	2	teals
team	6	62	3865	2	tea_m
teams	7	57	2651	2	teams
tear	4	52	4288	2	tea_r
tears	5	54	3646	2	tears
teary	8	51	2405	2	teary
teas	4	58	5149	2	tea_s
tease	5	54	2871	2	tease
teat	4	59	6363	2	tea_t
teats	5	56	3681	2	teats
techs	10	69	1583	2	te_chs
techy	13	56	1201	2	te_chy
teeth	8	73	1585	2	teeth
telco	7	5	1187	2	telco
tenace	8	27	1569	2	tenace
tenth	8	54	2183	2	tenth
teraph	11	31	909	2	teraph
terce	7	57	2184	2	terce
tetchy	14	3	600	2	tetchy
teth	7	63	2789	2	te_th
teugh	9	55	1161	2	teugh
thack	14	49	1517	2	thack
thatch	14	3	561	2	thatch
torch	10	74	2093	2	torch
touch	10	65	1939	2	touch
trace	7	58	2961	2	trace
track	11	48	2301	2	track
tract	7	56	3571	2	tract
trash	8	61	1976	2	trash
trench	11	42	1161	2	trench
unteach	12	4	614	2	unteach
vetch	13	44	1184	2	vetch
welch	13	44	1149	2	welch
wench	13	62	1478	2	wench
yeah	10	67	2541	2	yea_h
yecch	15	55	809	2	yecch
yech	12	72	2053	2	ye_ch

Search took 3 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	53800	0.296	603685.8
2	DLD Change Limit	53800	104	1.766	30464.3
3	Display Results	104	104	0.030	3466.7
	(SQL Overall)	178691	104	2.092	85416.3