Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'rapidfax', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
rapidfax
Transposition0
arpidfax
rpaidfax
raipdfax
rapdifax
rapifdax
rapidafx
rapidfxa
Transposition1
paridfax
ripadfax
radipfax
rapfdiax
rapiafdx
rapidxaf
Transposition2
iaprdfax
rdpiafax
rafidpax
rapadfix
rapixfad
Transposition2r
ipardfax
rdipafax
rafdipax
rapafdix
rapixafd
Transposition0x2
aripdfax
arpdifax
arpifdax
arpidafx
arpidfxa
rpadifax
rpaifdax
rpaidafx
rpaidfxa
raipfdax
raipdafx
raipdfxa
rapdiafx
rapdifxa
rapifdxa
Slip3A
apridfax
rpiadfax
raidpfax
rapdfiax
rapifadx
rapidaxf
Slip3B
praidfax
riapdfax
radpifax
rapfidax
rapiadfx
rapidxfa
Omission
apidfax
rpidfax
raidfax
rapdfax
rapifax
rapidax
rapidfx
rapidfa
Repetition
rrapidfax
raapidfax
rappidfax
rapiidfax
rapiddfax
rapidffax
rapidfaax
rapidfaxx
QWERTY Substitution
eapidfax
tapidfax
rspidfax
raoidfax
rapudfax
rapodfax
rapisfax
rapiffax
rapiddax
rapidgax
rapidfsx
rapidfaz
rapidfac
QWERTY Repetition after
reapidfax
rtapidfax
raspidfax
rapoidfax
rapiudfax
rapiodfax
rapidsfax
rapidffax
rapidfdax
rapidfgax
rapidfasx
rapidfaxz
rapidfaxc
QWERTY Repetition before
erapidfax
trapidfax
rsapidfax
raopidfax
rapuidfax
rapoidfax
rapisdfax
rapifdfax
rapiddfax
rapidgfax
rapidfsax
rapidfazx
rapidfacx
QWERTY Substitution Transposed
aepidfax
epaidfax
eaipdfax
eapdifax
eapifdax
eapidafx
eapidfxa
atpidfax
tpaidfax
taipdfax
tapdifax
tapifdax
tapidafx
tapidfxa
srpidfax
rpsidfax
rsipdfax
rspdifax
rspifdax
rspidafx
rspidfxa
aroidfax
roaidfax
raiodfax
raodifax
raoifdax
raoidafx
raoidfxa
arpudfax
rpaudfax
raupdfax
rapdufax
rapufdax
rapudafx
rapudfxa
arpodfax
rpaodfax
raopdfax
rapdofax
rapofdax
rapodafx
rapodfxa
arpisfax
rpaisfax
raipsfax
rapsifax
rapifsax
rapisafx
rapisfxa
arpiffax
rpaiffax
raipffax
rapfifax
rapifafx
rapiffxa
arpiddax
rpaiddax
raipddax
rapdidax
rapidadx
rapiddxa
arpidgax
rpaidgax
raipdgax
rapdigax
rapigdax
rapidagx
rapidgxa
arpidfsx
rpaidfsx
raipdfsx
rapdifsx
rapifdsx
rapidsfx
rapidfxs
arpidfaz
rpaidfaz
raipdfaz
rapdifaz
rapifdaz
rapidafz
rapidfza
arpidfac
rpaidfac
raipdfac
rapdifac
rapifdac
rapidafc
rapidfca
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