Wikipedia:Simple talk/Archive 101 Category synonyms
As for the your second and thirds point, I never said they were part of the Commonwealth, but that they are using what is called Commonwealth English. Different countries use different versions of English. Lots of countries that are not part of the Commonwealth still use Commonwealth English. And no, your examples are quite far off the mark. It appears we are trying to reinvent the wheel here, we already have a guideline that covers this. Insisting on a single term or a single usage as the only correct option does not serve the purposes of an international encyclopedia. In this case transportation is understood by all versions of English, where as Transport means different things to different versions of English.