IMTU:
the Nobility typically speak Sylean and/or Vilani, as well as Anglic. Most people speak two languages: Anglic and their local world's tongue, which is often a dialect of Anglic.
The Solomani call their Language Anglic, as well, but it's much more heavily divergent, having lots of regional dialects, as well as Confed Standard Anglic (AKA Solomani), plus many worlds local languages are derived from Russian, Japanese, Chinese, French, Spanish or German.
the Nobility typically speak Sylean and/or Vilani, as well as Anglic. Most people speak two languages: Anglic and their local world's tongue, which is often a dialect of Anglic.
The Solomani call their Language Anglic, as well, but it's much more heavily divergent, having lots of regional dialects, as well as Confed Standard Anglic (AKA Solomani), plus many worlds local languages are derived from Russian, Japanese, Chinese, French, Spanish or German.