I have edited a Greek-Italian lexicon in BW 10.
5500 words (with an automatic procedure)
UserLex is a great tool in BW10.
You must extract the directory "Italian UserLex" in BibleWors 10\UserLex\ folder (and select from UserLex options "change userLex folder" and so select "Italian UserLex" folder (don't select "greek" sub-folder).
Here is the link for download: