A, AN - use an before an vowel sound, use a before a consonant sound - be careful of words beginning with h such as an hour or an heir
ACCEPT/EXCEPT - accept - to allow or receive, except - to exclude
ACCOMMODATE - You need 2 c's and 2 m's to accommodate the entire word
ADAPT/ADOPT - adapt - to adjust adopt; adopt - to take as one's own
AFFECT/EFFECT - RAVEN - Remember: Affect - Verb, Effect - Noun
ALL RIGHT - two words, no matter what it means. Keep in mind that it is the opposite of all wrong.
ARGUMENT - A Rude Girl Undresses; My Eyes Need Taping
ARITHMETIC - A Rat In The House May Eat The Ice-Cream
ASSASSINATION - Ass Ass I Nation - this word is comprised of four short words.
ASTHMA - Asthma: Sensitivity To Household Mites Again.
BECAUSE - Big Elephants Cause Accidents Under Small Elephants
BEAUTIFUL - Brown Eggs Are Useful To Ill Face Under Light
BEAR/BARE - you use a bar of soap on your BARE skin, and you fear the BEAR
CHAOS - Cyclones, Hurricanes And Other Storms create chaos.
CHILI - Cats Have Interesting Little Ideas
DESERT/DESSERT - remember that a desert is sandy; dessert has two s's in it, like Strawberry Shortcake or Something Sweet.
DIARRHEA - Dash In A Real Rush, Hurry Else Accident
EMBARRASS - Every Mother's Boy Acts Rather Rudely After Some Sausages
GEOGRAPHY - General Eisenhower's Oldest Daughter Rode A Pony Home Yesterday
HEAR/HERE - you HEAR with your EAR
HEARD/HERD - your hEARd me with your ear
IT'S/ITS - it's means it is or it has, its shows possession
LAUGH - Laugh And U Get Happy
MNEMONICS - Mnemonics Neatly Eliminates Man's Only Nemesis, Insufficient Cerebral Storage
NECESSARY - Never Eat Candy, Eat Salad Sandwiches, And Remain Young.
OCEAN - Only Cats Eyes Are Narrow
PHYSICAL - Please Have Your Strawberry Ice Cream And Lollipops
PRINICIPAL/PRINICIPLE - remember how to spell princiPAL when talking about a school administrator by reffering him/her as your pal. The rule or belief principle ends in le not pal
PSYCHOLOGY - Please Say You Can Hit Old Ladies Or Get Yogurt
RAVEN - Remember: Affect, Verb, Effect, Noun
REPETITION - The first 4 letters are the same as those in repeat.
RHYTHM - Rhythm Helps Your Two Hips Move
STATIONARY/STATIONERY - Let the ar near the end of stationary remind you of 'At Rest' and the e near the end of stationery stand for 'Envelope'
SUPERINTENDENT - Collects the rENT
SUCCESS - Double the C, Double the S and you will always have SuCCeSS
TO, TWO, TOO - the "w" looks like a sideway 3 so it is a #. In TOO there is a extra "O" - too much
TOGETHER - TO GET HER
TOMORROW - Tomorrow I will go with TOM OR ROW
WHICH, WITCH - in wHicH you have to h's to choose from; in wiTch think of the 't' as a witch's broom in the middle
-cede, precede, recede etc. - expect for succeed, proceed and exceed, and supersede all words ending with a similar sounding final syllable end in "-cede".
A fun site that lets you play games with your spelling words is http://www.spellingcity.com/