How do you spell that again?

We've asked our Englishforums members to write down their most commonly misspelled words, and here are the top 55 in alphabetical order:

Correct spellingCommon misspellings
acheake, ach, ace
accommodationaccomidation, accomadation, accomodation, acomodation, acommodation etc.
acquireadquire, aquire
amateuramatuer, amature
bizarrebizare, bizzarre, bizzare
basicallybasicly, basicaly
cemeterycematry, cematary, cematery, cemitery, cementery etc.
chorus corus, chours, chores, course
challengechalange, chalenge, challange
circumstancecercomstance, sercomstance, circomstance
condemncondem, condemm
conscientiousconcientious
criticismcritisism
curiositycuriousity
definitelydefinately, definetly, definitly
destroydestoy, destory
diarrheadiarea, diahrea, diareah, diarreah
disappointeddisapointed, dissapointed, dissappointed
embarrassembaras, embarass, embarras, embbarass etc.
emphasize (emphasise BrE)empahsize
entrepreneurentrepeneur, enterpreneur
exaggerateexagerate, exagerrate
examexem
exceptionexeption
exerciseexcercise
grammargrammer, gramer, gramar, gramor
gratefulgreatful, greatefull, gratefull
greatlygrately
immediatelyimmediatly, imediatly, immedietly, imediately
knifeknive
laughlagh
legitimatelegitamate
luxuriousluxourious
maneuvermanuever, manouver
miscellaneousmiscelaneous, miscellanious, miscellanous
misspellmispell, misspel
necessaryneccesary, necesary, neccessary
noticeablenoticible, noticable
occurrenceoccurance, ocurrence, ocurrance, occurrence, occurrence
onomatopoeiaonomatopoeia, onomatopea, onomatopoea etc.
opaqueopeque, opaique
physiquepysique
pneumaticpneumatik, pneumetic, pnumatic
privilegeprivelege, priviledge, privledge, privilage, privelige
psychologysychology, psycology
realize (realise BrE) relize, relise
recommendrecomend, reccomend, reccommend
receiverecieve
rhythmrhythem, rythim, rythem, rhythm, rhythim
separateseperate
subpoenasepina, supena
synonymoussynonimous, synonomous
temporarilytemperarily
weirdwierd
WednesdayWendsay, Wensday
ventriloquyventriloqy


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Join our discussion on what are the most difficult English words to spell .
  Thanks alot for providing such a wonderful information,Geneally these mistakes happen to most of the people ,while looking this materials we can overcome some mistakes...Once again thanks
  That's a useful collection. Is the discussion locked?
I would like to add the following word pairs
compliment / complement
stationary / stationery
one is usually taken for the other in many cases
  Story of my life
  lol
  through practice you can improve it
 I get myself confuse most of the times while spelling BELIEVE ..RECEIVED..ACHIEVED ..and word like that ...
Why have they not made it simple by either staying with EI or IE.
Anonymous  mistakes in spelling is always common even among native speakers !