Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'purefy', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
purefy
Transposition0
uprefy
pruefy
puerfy
purfey
pureyf
Transposition1
rupefy
perufy
pufery
puryfe
Transposition2
eurpfy
pfreuy
puyefr
Transposition2r
erupfy
pferuy
puyfer
Transposition0x2
uperfy
uprfey
upreyf
prufey
prueyf
pueryf
Slip3A
urpefy
preufy
puefry
purfye
Slip3B
rpuefy
peurfy
pufrey
puryef
Omission
urefy
prefy
puefy
purfy
purey
puref
Repetition
ppurefy
puurefy
purrefy
pureefy
pureffy
purefyy
QWERTY Substitution
ourefy
pyrefy
pirefy
pueefy
putefy
purwfy
purrfy
puredy
puregy
pureft
purefu
QWERTY Repetition after
pourefy
puyrefy
puirefy
pureefy
purtefy
purewfy
purerfy
purefdy
purefgy
purefyt
purefyu
QWERTY Repetition before
opurefy
pyurefy
piurefy
puerefy
putrefy
purwefy
purrefy
puredfy
puregfy
purefty
purefuy
QWERTY Substitution Transposed
uorefy
oruefy
ouerfy
ourfey
oureyf
yprefy
pryefy
pyerfy
pyrfey
pyreyf
iprefy
priefy
pierfy
pirfey
pireyf
upeefy
peuefy
puefey
pueeyf
uptefy
ptuefy
puetfy
putfey
puteyf
uprwfy
pruwfy
puwrfy
purfwy
purwyf
uprrfy
prurfy
purfry
purryf
upredy
pruedy
puerdy
purdey
pureyd
upregy
pruegy
puergy
purgey
pureyg
upreft
prueft
puerft
purfet
puretf
uprefu
pruefu
puerfu
purfeu
pureuf
WrongDoubles
$JSON
$address
$applyDefault
$clone
$commas
$copy
$copyFields
$delete
$entries
$expand
$filt
$getType
$isArray
$isBoolean
$isClass
$isDate
$isElement
$isFunction
$isNumber
$isObject
$isString
$isType
$isValidDate
$json2txt
$keys
$load
$matchall
$parseFloats
$pick
$postJSON
$prune
$save
$set
$sortBy
$stringify
$sum
$svgPoster1
$table
$textify
$toFixed
$type
$without
Glossary
Transposition = adjacent pairs of letters are swapped
Omission = individual letters are missed out
Repetition = individual letters are entered twice consecutively
QWERTY substitution = letters are replaced by each of their QWERTY-keyboard based physical neighbours (e.g. 'h' gets replaced with y, u, j, n, b, g)
QWERTY repetition type 1 = letters are followed by each of their QWERTY-keyboard neighbours
QWERTY repetition type 2 = letters are preceded by each of their QWERTY-keyboard neighbours