Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'heater', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
heater
Transposition0
ehater
haeter
hetaer
heaetr
heatre
Transposition1
aehter
htaeer
heetar
hearet
Transposition2
teaher
hertea
Transposition2r
taeher
hetaer
hereta
Transposition0x2
ehtaer
ehaetr
ehatre
haeetr
haetre
hetare
Slip3A
eahter
hateer
hetear
heaert
Slip3B
aheter
hteaer
heeatr
hearte
Omission
eater
hater
heter
heaer
heatr
heate
Repetition
hheater
heeater
heaater
heatter
heateer
heaterr
QWERTY Substitution
geater
jeater
hwater
hrater
hester
hearer
heayer
heatwr
heatrr
heatee
heatet
QWERTY Repetition after
hgeater
hjeater
hewater
herater
heaster
heatrer
heatyer
heatewr
heaterr
heatere
heatert
QWERTY Repetition before
gheater
jheater
hweater
hreater
hesater
hearter
heayter
heatwer
heatrer
heateer
heatetr
QWERTY Substitution Transposed
egater
gaeter
getaer
geaetr
geatre
ejater
jaeter
jetaer
jeaetr
jeatre
whater
hawter
hwtaer
hwaetr
hwatre
rhater
harter
hrtaer
hraetr
hratre
ehster
hseter
hetser
hesetr
hestre
eharer
haerer
heraer
heaerr
hearre
ehayer
haeyer
heyaer
heaeyr
heayre
ehatwr
haetwr
hetawr
heawtr
heatrw
ehatrr
haetrr
hetarr
heartr
ehatee
haetee
hetaee
heaete
ehatet
haetet
hetaet
heaett
heatte
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