Linguistics, the scientific study of language, is a tool employed in the study of migration. In English we infer the origins of someone we meet who refers to a lorry or truck, car boot or trunk, bonnet or hood, windshield or windscreen, eggplant or aubergine.
The Guardian has an article pointing to an Interactive European language map. Enter the English word and see what the equivalent is in various European languages plotted on a map.Here are a few of genealogical significance.
Try it yourself at http://goo.gl/CAsXkV
The Guardian has more in an earlier article at http://goo.gl/EGu0bW