A trade language that has developed to allow easy communication between disparate civilizations.
It is a mixture of Reman, Dwarven and Goblin. It is easy to learn and can be spoken by almost all of the intelligent races of Ocean, but it is not good for subtlety or communicating complex concepts.
Common is written in the Reman script, and is entirely phonetic. Spelling and grammar are not standardized, but as it is a trade language it is very clear and unambiguous when used for such things as bills of sale or inventories.