British and American spelling

British and American spelling

In this list, we will outline the rules concerning the main differences between British and American spelling.

Rules regarding the differences between British and American spelling will be shown below so that you can easily distinguish between American and British spelling or orthography.

It should also be noted that, although absolutely not obligatory, it pays to be consistent in your spelling, either following one or the other (American or British spelling), but not both at the same time.

The examples below are only a very small portion and do not include ALL the words.

Nouns ending in –ence in British English are –ense in American English:

British English American English
Offence Offense
Pretence Pretense
License (only noun) License (verb & noun)
Practice (only verb) Practise (noun & verb)
Defence Defense
Vice Vise

British words ending in –our, end in –or in American English:

British English American English
Flavour Flavor
Colour Color
Behaviour Behavior
Saviour Savior
Rumour Rumor
Neighbour Neighbor
Colour Color
Labour Labor

In British English, verb suffixes are spelt with –ise, whereas in American English it’s –ize at the end:

British English American English
Organise Organize
Apologise Apologize
Critise Criticize
Symbolise Symbolize
Realise Realize
Authorise Authorize
Capitalise Capitalize
Equalise Equalize

In British English, the ‘L’ is doubled in words ending in a vowel, plus ‘L’:

For example, fuel, travel, label, cancel etc. In American English, the ‘L’ is not doubled (the rule applies to the participle, gerund forms, and noun forms, if applicable)

British English American English
Fuelled Fueled
Cancelled Canceled
Jeweller Jeweler
Woollen Woolen
Marvellous Marvelous
Counsellor Counselor
Revelled Revealed
Levelled Leveled

In British English, verbs ending in –yse are spelt –yze in American English:

British English American English
Paralyse Paralyze
Analyse Analyze

In British English, words spelt with the affix –ae or –oe change to an –e in American English:

British English American English
Paediatric Pediatric
Leukaemia Leukemia
manoeuvre maneuvre
Oestrogen Estrogen
Foetus Fetus
Diarrhoea Diarrhea
Caesarean Cesarean
Anaemia Anemia

In British English, some words that take only one ‘l’ can have two ‘ll’s’ in American English:

British English American English
Skilful Skillful
Wilful Willful
Enrol Enroll
Distil Distill
Fulfil Fulfill
Enthral Enthrall
Appal Appall
Instil Instill

Nouns that end in –ogue in British English will normally take the –og ending in American English:

British English American English
Analogue Analog
Dialogue Dialog
Prologue Prolog
Travelogue Travelog
Epilogue Epilog
catalogue catalog
Monologue Monolog