The differences between British English and American English are mainly matters of pronunciation and vocabulary. There are a few spelling differences such British centre and colour and American center and color.

British English…..American English

1. Aerogramme…..aerogram
   
2. Aeroplane…..airplane
   
3. Aluminium……aluminum
   
4. Amicable….amiable
   
5. Analyse-----analyze
   
6. Angry…..mad
   
7. Annexe.....annex
   
8. Anywhere…..anyplace
   
9. Armour…..armor
   
10. Artificial…..artful
    
11. Ascent……assent
    
12. Autumn……fall
    
13. Biscuit…..cookie
    
14. Bonnet……hood
    
15. Boot…..trunk
    
16. Catalogue…..catalog
    
17. Centre…..center
    
18. Cheque…..check
    
19. Chips…..French fries
    
20. Compliment…..complement
    
21. Cosy…..cozy
    
22. Cot……cribe
    
23. Councillor…..councilor
    
24. Counsel…..council
    
25. Crisps……chips
    
26. Crossroads……intersection
    
27. Defence……defense
    
28. Demeanour…..dismeanor
    
29. Descent…..dissent
    
30. Dialling code…..area code
    
31. Dialogue….dialog
    
32. Dishonour……dishonor
    
33. Distil…..distill
    
34. Endeavour…..endeavor
    
35. Engaged……busy
    
36. Enrol…..enroll
    
37. Fibre…..fiber
    
38. Film….movie
    
39. Fortnight….two weeks
    
40. Fullfill…..fulfil
    
41. Gear lever…..gear shift
    
42. Gracious….graceful
    
43. Harbour……harbor
    
44. Historical…..historic
    
45. Holiday…...vacation
    
46. Honour.....honor
    
47. Jewellery…..Jewelry
    
48. Jug……pitcher
    
49. Kilometre…..kilometer
    
50. Labour…..labor
    
51. Licence ….. License
    
52. Lift…….elevator
    
53. Lorry….truck
    
54. Mad……crazy
    
55. Main road….highway
    
56. Marvellous…..marvelous
    
57. Meagre…..meagar
    
58. Mean…..stingy
    
59. Motorway…….freeway
    
60. Nappy……diaper
    
61. Nasty….mean
    
62. Odour…..odor
    
63. Oestrogen……oestrogen
    
64. Offence…..offense
    
65. Paralyse……paralyze
    
66. Parlour…..parlor
    
67. Pavement…..sidewalk
    
68. Petrol….gas
    
69. Post…..mail
    
70. Practise....practice
    
71. Programme…..program
    
72. Public toilet…..restroom
    
73. Pyjamas.....pajamas
    
74. Queue…..stand line
    
75. Railway….railroad
    
76. Realise……realize
    
77. Rise….raise
    
78. Road surface…..pavement
    
79. Rubber……eraser
    
80. Rubbish bin…..garbage can
    
81. Rubbish……garbage
    
82. Shop…..store
    
83. Single….one-way
    
84. Sociable…..social
    
85. Spectre…..specter
    
86. Stupid……dumb
    
87. Sweets……candy
    
88. Tap…..spigot
    
89. Taxi…..cab
    
90. Theatre…..theater
    
91. Timetable…..schedule
    
92. Tin…..can
    
93. Torch……flashlight
    
94. Trainers…..sneakers
    
95. Traveller……traveler
    
96. Trousers…..pants
    
97. Tyre….tire
    
98. Underground…..subway
    
99. Valour…..valor
    
100. Van…..truck
     
101. Whiskey....whisky
     
102. Windscreen……windshield
     
103. Zip…..zipper