A
- About or On
- Above or Over
- Absolutely or Definitely
- Abuse or Misuse
- Accept or Except
- Accident or Incident
- Ache or Pain
- Across, Over or Through
- Adjectives or Adverbs
- Adverse or Averse
- Advice or Advise
- Affect or Effect
- Afflict or Inflict
- All or Every
- All or Whole
- All right or Alright
- All the time or Every time
- All together or Altogether
- Alone or Lonely
- Already or All ready
- Alternate or Alternative
- Among, Amongst or Between
- Amount or Number
- Answer or Reply
- Anticipate or Expect
- Anyone or Anybody
- Anyone or Everyone
- Anytime or Any time
- Anytime or Every time
- Any more or Anymore
- Aroma or Odour
- Assure, Ensure or Insure
- Attend or Visit
- At all or Complete
B
- Basement or Cellar
- Basic or Basis
- Beat or Win
- Been or Being
- Been or Gone
- Begin or Commence
- Beside or Besides
- Blond or Blonde
- Blooper or Outtake
- Body or Corpse
- Body or Organism
- Borrow or Lend
- Both, Either or Neither
- Brake or Break
- Brand or Marque
- Briefly or Shortly
- Bring or Take
- Bring Up or Educate
- By or Near
- By or Until
- By or With
C
- Can or May
- Can or Should
- Carefree or Careless
- Care about or Take care
- Citizen or Resident
- Classic or Classical
- Clean or Clear
- Clean or Tidy
- Client or Customer
- Clip or Video
- Closed or Locked
- Clothes or Wear
- Come from or Coming from
- Come or Go
- Comfortable or Convenient
- Common or Popular
- Communicate to or Communicate with
- Company or A company
- Compare or Contrast
- Complex or Complicated
- Consist or Comprise
- Convenient or Suitable
- Convince or Persuade
- Cost or Costs
- Criteria or Criterion
- Crossroads or Junction
- Crowded or Crowdy
- Cut up or Cut off
