Peace may be an admirable sentiment to convey in a child's name, but the translated and thus more subtle versions, like Pax or Placido, might work better as first names.

Frisco is a frisky, roguish semi-place-name (San Francisco natives never call it that) that could make a lively, unusual o-ending choice.

Bas is a fashionable name in its own right in the Netherlands, where it's been in the Top 10. Used throughout Europe, it may have a future here as a straightforward-but-charming nickname name. Baz is another, similar and more appealing possibility.