There are quite a few synonyms for the commonly used abbreviation "c w". One popular alternative is "with regards to", which means the same thing and is often used in more formal contexts. Other options include "in relation to", "pertaining to", and "concerning", all of which can be used interchangeably with "c w" to indicate that something is being discussed or considered from a particular perspective. Regardless of which synonym you choose to use, it's important to ensure that your meaning comes across clearly and accurately in your writing or conversation.