ERD50
Give me a museum and I'll fill it. (Picasso) Give me a forum ...
... I think the most unique word from the list that I use is 'freeway'. According to the graph, this word is only used in southern California, and part of Arizona. Quite amazing!
Yes, in IL we have 'highways', 'expressways' and 'toll ways'. It seems to me only Californians called them 'freeways'.
-ERD50