The term "w c s" is a vague term and it is not clear what it refers to. However, if one assumes that it is a typographical error and it actually refers to the word "waste", there are many synonyms for this word. Some common synonyms for "waste" include "garbage", "trash", "rubbish", "junk", "refuse", and "debris". These words all refer to things that are no longer useful or valuable and should be discarded. Other synonyms for "waste" may include "excess", "surplus", "extra", or "unneeded". These words all describe something that is unnecessary or has become obsolete. Ultimately, the choice of synonym depends on the context and intended meaning.