I find this diagram about the lexical distance between European languages intriguing:

https://elms.wordpress.com/2008/03/04/lexical-distance-among-languages-of-europe/?utm_content=buffere404a&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer

It seems to show English as being close to French in terms of lexis (which I would expect) although it belongs to the Germanic rather than Romance sub group.