The usual dictionary rules apply, and so curse words, some pet names and obscure inside jokes are essentially out. If your cat is named TANGO, that's there, but RINGO is not an option. You can drop a ...
A river is a moving body of water that drains the land. If there is lots of rainfall, or snow or ice melting, rivers sometimes rise over the top of their banks and begin to flow onto the floodplains ...