Check 4000 words in the WordWeb dictionary (look up using software or [url removed, login to view]). Compare definitions to those on [url removed, login to view], and produce list of all correct and reasonably common senses in Wiktionary that have no equivalent definition in WordWeb. Make separate list of typos/unclear definitions/errors in WordWeb definitions. Detailed requirements attached. Try the words "crow" and "flame" to get an idea what's involved.
Native or very fluent English is required. People without GAF ratings please supply a sample.