Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'marvel', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
marvel
Transposition0
amrvel
mravel
mavrel
marevl
marvle
Transposition1
ramvel
mvrael
maevrl
marlev
Transposition2
varmel
merval
malver
Transposition2r
vramel
mevral
malevr
Transposition0x2
amvrel
amrevl
amrvle
mraevl
mravle
mavrle
Slip3A
armvel
mrvael
maverl
marelv
Slip3B
rmavel
mvarel
maervl
marlve
Omission
arvel
mrvel
mavel
marel
marvl
marve
Repetition
mmarvel
maarvel
marrvel
marvvel
marveel
marvell
QWERTY Substitution
narvel
msrvel
maevel
matvel
marcel
marbel
marvwl
marvrl
marvek
QWERTY Repetition after
mnarvel
masrvel
marevel
martvel
marvcel
marvbel
marvewl
marverl
marvelk
QWERTY Repetition before
nmarvel
msarvel
maervel
matrvel
marcvel
marbvel
marvwel
marvrel
marvekl
QWERTY Substitution Transposed
anrvel
nravel
navrel
narevl
narvle
smrvel
mrsvel
msvrel
msrevl
msrvle
amevel
meavel
maveel
maeevl
maevle
amtvel
mtavel
mavtel
matevl
matvle
amrcel
mracel
macrel
marecl
marcle
amrbel
mrabel
mabrel
marebl
marble
amrvwl
mravwl
mavrwl
marwvl
marvlw
amrvrl
mravrl
mavrrl
marrvl
marvlr
amrvek
mravek
mavrek
marevk
marvke
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
$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