There are only two hard things in Computer Science: cache invalidation and naming things.
Hopefully this extension will help with naming at least.
Right-click on any word in the code editor window and expand the 'Synonyms' menu.
Handles words is many contexts:
When replacing a word with its synonym the original casing style is matched.
Uses a web service to find synonyms, so an internet connection is required.
Comments and suggestions are welcome.