Minor systematic difference which occur between Australian and British spelling are as follows:"The Macquarie Dictionary", 8th Edition. Macquarie Dictionary Publishers, 2020. Words often ending in eable in British English end in able in Australian English. Therefore, Australian English favours livable over liveable, sizable over sizeable, movable over moveable, etc., although both variants are acceptable. Words often ending in eing in British English end in ing in Australian English. Therefore, Australian English favours aging over ageing, or routing over routeing, etc., although both variants are acceptable. Words often ending in mme in British English end in m in Australian English. Therefore, Australian English favours program over programme (in all contexts) and aerogram over aerogramme, although both variants are acceptable. Similar to Canada, New Zealand and the United States, (kilo)gram is the only spelling.
Minor systematic difference which occur between Australian and Brit.ish spelling are as follows:"The Macquarie Dictionary", 8th Edition. Macquarie Dictionary Publishers, 2020. Words often ending in eable in British English end in able in Australian English. Therefore, A,ustralian English favours livable over liveable, sizable over sizeable, movable over moveable, etc., although both variants are acceptable. Words often ending in eing in British English end in ing in Australian English Therefore, Australian English favours aging over ageing, or routing over routeing, etc., although both variants are acceptable. Words often ending in mme in British English end in m in Australian English. Therefore Australian English favours program over programme (in all contexts) and aerogram over aerogramme, although both variants are acceptable. Similar to Canada, New Zealand and the United States, (kilo)gram is the only spelling.