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| Correct Spelling | Incorrect Spelling |
| Accept (agree) | Except |
| Accessible | Acessible/Accessable |
| Accommodate | Acommodate/Accomodate |
| Acknowledgement | Acknowledgment |
| Acquire | Aquire |
| Analyze | Analyse |
| Authorized | Authorised |
| B.Sc.(Bachelor of Science) | B.S. |
| Behaviour | Behavior |
| Benefited | Benefitted |
| Calibre | Caliber |
| Cancelled | Canceled |
| Capital(city) | Capitol |
| Capital(money) | Capitol |
| Capitalize | Capitalise |
| Catalogue | Catalog |
| Categorize | Categorise |
| Centimetre | Centimeter |
| Centralize | Centralise |
| Centre | Center |
| Centred | Centered |
| Characterize | Characterise |
| Colour | Color |
| Computerize | Computerise |
| Correspondence | Correspondance |
| Counselled | Counseled |
| Counsellor | Counselor |
| Customize | Customise |
| Defence | Defense |
| Demeanour | Demeanor |
| Dual (double) | Duel |
| Elicit (bring about) | Illicit |
| Emigrate (leave a place) | Immigrate |
| Endeavour | Endeavor |
| Enrol | Enroll |
| Enrolment | Enrollment |
| Except (exclude) | Accept |
| Familiarize | Familiarise |
| Fervour | Fervor |
| Finalize | Finalise |
| Focused | Focussed |
| Fulfill | Fulfil |
| Grey | Gray |
| Harmonize | Harmonise |
| Honour | Honor |
| Honoured | Honored |
| Illicit (unlawfull) | Elicit |
| Immigrate (enter a place) | Emigrate |
| Initialize | Initialise |
| Instalment | Installment |
| Kilometre | Kilometer |
| Labelled | Labeled |
| Labour | Labor |
| Labourer | Laborer |
| Levelled | Leveled |
| Liasie | Liase |
| Licence (a certificate | License |
| License (to allow) | Licence |
| Litre | Liter |
| Manager | Manger |
| Manoeuvre | Maneuver |
| Metre (unit of measurement) | Meter |
| Minimize | Minimise |
| Mitre | Miter |
| Mobilize | Mobilise |
| Modelled | Modele |
| Mould (to shape something) | Mold |
| Neutralize | Neutralise |
| Occasional | Occassional |
| Occurrence | Occurance |
| Offence | Offense |
| Organization | Organisation |
| Organize | Organise |
| Paycheque | Paycheck |
| Practice (a place) | Practise |
| Practise (to rehearse) | Practice |
| Premier (first) | Premiere |
| Premiere (grand opening) | Premier |
| Principal (head of an organization) | Principle |
| Principal (money) | Principle |
| Principle (basic truth) | Principal |
| Prioritize | Prioritise |
| Privilege | Priviledge |
| Realize | Realise |
| Recognize | Recognise |
| Reflection | Reflexion |
| Résumé/Resumé | Résume/Resume |
| Rigour | Rigor |
| Scrutinize | Scrutinise |
| Separate | Separate |
| Specialize | Specialise |
| Stabilize | Stabilise |
| Than (comparing something) | Then |
| Then (time) | Than |
| Travelled | Traveled |
| Unionized | Unionised |
| Utilize | Utilise |
| Visualize | Visualise |
| We're (we are) | Were |
| You're (you are) | Your |