Common: Most spoken language
Deep Speech: Sahuagin, followers of Noax
Draconic: Dragons, Dragonborn, and Knights of Kethenica and Takimit
Dwarven: Mountain, Hill, and Gully Dwarves
Elven: Language of the elves, spriggans, and fairies.
Kretog: Kreela/Spirit Children (excluding Dragonborn), Harpies, and Treants
Goblin: Goblins, Orcs, and Ogres