Common Spelling Mistakes in English

Correct spelling	Common Spelling Mistakes
ache	ake, ach, ace
accommodation	acomodation, acommodation etc.
acquire	adquire, aquire
amateur	amatuer, amature
bizarre	bizare, bizzarre, bizzare
basically	basicly, basicaly
cemetery	cematary, cematery, cemitery etc
chorus	corus, chours, chores, course
challenge	chalange, chalenge, challange
circumstance	cercomstance, circomstance etc
condemn	condem, condemm
conscientious	concientious
criticism	critisism
curiosity	curiousity
definitely	definately, definetly, definitly
destroy	destoy, destory
diarrhea	diarea, diahrea, diareah, diarreah
disappointed	disapointed, dissapointed etc
embarrass	embaras, embarass, embarras
emphasize	empahsize
entrepreneur	entrepeneur, enterpreneur
exaggerate	exagerate, exagerrate
exception	exeption
exercise	excercise
grammar	grammer, gramer, gramar, gramor
grateful	greatful, greatefull, gratefull
greatly	grately
immediately	immediatly, imediatly, imediately
knife	knive
laugh	lagh
legitimate	legitamate
luxurious	luxourious
maneuver	manuever, manouver
miscellaneous	miscelaneous, miscellanious etc
misspell	mispell, misspel
necessary	neccesary, necesary, neccessary
noticeable	noticible, noticable
occurrence	occurance, ocurrence, ocurrance
onomatopoeia	onomatopoeia, onomatopea
opaque	opeque, opaique
physique	pysique
pneumatic	pneumatik, pneumetic, pnumatic
privilege	privelege, priviledge, privilage
psychology	sychology, psycology
realize	relize
recommend	recomend, reccomend, reccommend
receive	recieve
rhythm	rhythem, rythim, rythem, rhythm etc
separate	seperate
subpoena	sepina, supena
synonymous	synonimous, synonomous
temporarily	temperarily
weird	wierd
Wednesday	Wendsay, Wensday
ventriloquy	ventriloqy
source:English Forums