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

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

97 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
couch	12	53	2011	(None)
coach	12	59	1945	1	coach
conch	12	46	2007	1	conch
cooch	12	49	1683	1	cooch
cough	11	58	1964	1	cough
couth	10	61	2249	1	couth
crouch	13	39	1020	1	crouch
mouch	12	47	1580	1	mouch
ouch	9	57	2463	1	_ouch
pouch	12	46	1708	1	pouch
touch	10	65	1939	1	touch
vouch	13	46	1190	1	vouch
avouch	14	3	483	2	avouch
botch	12	67	1745	2	botch
bough	11	57	1931	2	bough
capouch	16	4	441	2	capouch
catch	12	51	2037	2	catch
chough	15	69	925	2	chough
choush	14	54	906	2	choush
chuck	16	48	1487	2	chuck
church	16	3	648	2	church
cinch	12	45	1624	2	cinch
clach	12	46	1782	2	clach
clough	12	53	913	2	clough
cluck	13	49	1489	2	cluck
clutch	13	36	775	2	clutch
coact	9	61	3058	2	coact
coca	8	80	3064	2	co_ca
cocci	8	28	1267	2	cocci
cock	12	63	3290	2	co_ck
coco	8	73	3060	2	co_co
concha	13	42	1328	2	concha
concho	13	44	1426	2	concho
conchs	13	47	1490	2	conchs
conchy	16	37	1022	2	conchy
cosh	9	61	2762	2	co_sh
couched	15	41	1579	2	couched
coucher	14	45	1585	2	coucher
couches	14	40	2047	2	couches
coude	8	50	2263	2	coude
coughs	12	55	1454	2	coughs
could	8	65	1771	2	could
count	7	49	3205	2	count
coup	8	67	2979	2	cou_p
coupe	9	60	2348	2	coupe
coups	9	55	2247	2	coups
court	7	55	3277	2	court
couths	11	57	1541	2	couths
crotch	13	34	1008	2	crotch
cruck	13	56	1532	2	cruck
crunch	13	34	950	2	crunch
crush	10	68	1599	2	crush
crutch	13	40	824	2	crutch
culch	12	45	1283	2	culch
curch	12	44	1541	2	curch
cutch	12	51	1619	2	cutch
douce	8	55	1842	2	douce
douche	12	46	1322	2	douche
dough	10	52	1738	2	dough
grouch	12	31	847	2	grouch
heuch	13	53	1233	2	heuch
hooch	13	58	1370	2	hooch
hotch	13	62	1473	2	hotch
loach	10	51	1636	2	loach
loch	9	55	2713	2	lo_ch
louche	11	52	1266	2	louche
lough	9	51	1848	2	lough
mooch	12	53	1361	2	mooch
mouth	10	54	2029	2	mouth
much	11	52	2403	2	_much
notch	10	56	1332	2	notch
ouph	9	56	1837	2	_ouph
poach	12	49	1786	2	poach
pooch	12	48	1530	2	pooch
porch	12	59	1862	2	porch
pouchy	16	53	866	2	pouchy
roach	10	57	1700	2	roach
rotch	10	58	1593	2	rotch
rouche	11	47	1431	2	rouche
rough	9	78	1944	2	rough
routh	8	64	2307	2	routh
sauch	10	49	1877	2	sauch
scooch	13	22	812	2	scooch
scorch	13	19	809	2	scorch
scotch	13	20	752	2	scotch
scouth	11	50	1115	2	scouth
slouch	11	43	852	2	slouch
sough	9	53	2046	2	sough
south	8	52	2357	2	south
such	9	64	2481	2	_such
teuch	10	52	1485	2	teuch
torch	10	74	2093	2	torch
touche	11	49	1617	2	touche
touchy	14	50	1050	2	touchy
tough	9	73	2199	2	tough
youth	11	53	1504	2	youth
yuch	12	58	1853	2	_yuch

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	0.356	501941.0
2	DLD Change Limit	53800	97	1.860	28924.7
3	Display Results	97	97	0.033	2939.4
	(SQL Overall)	178691	97	2.249	79453.5