Cuales son palabras utiles?
There are books that contain nothing but vocabulary such as "1001 Most Useful Words in Spanish." (Or at least something close to that title.) Look online at Amazon or any of the major book chains. You will probably find new terms on the Spanish learning section of this site. Get books written in Spanish and try reading them along side your handy-dandy dictionary. That's even better for daily vocabulary than lists. Good luck. Buena suerte.