Italo- is a prefix that is used to describe anything that is related to Italy or Italian culture, art, literature or language. However, if you want to add some variety to your writing, there are some other synonyms for the word "Italo-" that you could use. Some common substitutes for Italo- are words like Italian, Roman, Latin, Tuscan, Venetian, and Neapolitan, all of which describe something that is related to Italy, its people or culture. Some other options are Italophone, which refers to anyone or anything that speaks the Italian language, or Italophile, which refers to someone who loves all things Italian. By using these synonyms, you can add richness and variety to your writing while still conveying the same meaning as Italo-.