abstract nouns
Definition:
http://www.yourdictionary.com/grammar-rules/Abstract-Nouns.html
List:
http://www.scribd.com/doc/3887529/List-of-Common-Abstract-Nouns-Ig3
http://www.yourdictionary.com/grammar-rules/Abstract-Nouns.html
List:
http://www.scribd.com/doc/3887529/List-of-Common-Abstract-Nouns-Ig3