Placenames\Maps Search Mashup

I wanted to play with Google Maps a bit - so I put together a quick hack to plot placenames (from the dataset @ on the map which match given regular expressions to see if there's any interesting patterns:

Code is here:

Link is here:

Some examples:

"Berg"-like suffixes

Slavic "vice" suffixes

Rivers in placenames 

German suffixes clustered around a few places