A2 Latin vocab: Perseus to the rescue?

One of the Upper 6th has noticed this really helpful vocabulary tool which could be really useful for anybody trying to learn vocab to help with the OCR A2 unseens, which are rather unhelpfully set as two authors. Perseus allows you to see the most frequently used words, though as Duk explains in his comment below, it can be a little misleading. This means you need to read the small print carefully!