Aboleth
Spoken by the ancient, spaceferring Aboleth and other vacuum living creatures.

Abyssal
The language of demons, Abyssal is often spoken by evil spirits.

Aklo
This ancient tongue is spoken by strange eldritch entities, and certain ancient beings.

Aquan
Spoken by aquatic and water-based creatures, those who trade frequently with ocean planets often speak this tongue as well.

Auran
Spoken by flying creatures and air-based creatures, those who trade frequently with Gas Giant planets often speak this tongue as well.

Boggard
Spoken by Boggards.

Celestial
The language of Angels and other good outsiders.

Cyclops
The language of Cyclops and their kin. Once the ancient language of the giants, this tongue was created before the rise of humanity by the cyclopes.

Dark Folk
Spoken by Dark creepers, dark slayers, and dark stalkers (creatures of the Dark Sectors).

Draconic
Spoken by dragons, reptilian humanoids.

Druidic
Druidic is a secret language known only to druids. It is a free language for a druid; that is, it doesn’t take up a language slot. Druids are forbidden to teach this language to nondruids and has its own alphabet.

Dwarven
The language of the Dwarves.

D’ziriak
The insectoid d’ziriak language consists of buzzes and chitters. It is an obscure one known by few outside their race.

Elven
Spoken by Elves, and half-elves.

Giant
This brutish tongue and its numerous minor variants are spoken in any sector where the wrath of giants is known.

Gnoll
Spoken by Gnolls.

Gnome
The language of Gnomes.

Goblin
The language of Bugbears, goblins, hobgoblins.

Grippli
Spoken by Grippli.

Halfling
The language of Halflings

Ignan
The language of fire creatures, those who trade frequently with volcanic planets often speak this tongue as well.

Infernal
The language of devils is often spoken by evil spirits.

Necril
An ancient language of the dead, this whispering tongue is shared among undead and is also often associated with necromancy.

Orc
Spoken by Orcs and Half-Orcs.

Protean
Like the proteans chaotic nature, the protean language itself is mutable, evolving so quickly that few outsiders can understand it without magical aid.

Sphinx
Spoken by Sphinxes.

Sylvan
The language of the fey.

Tengu
The official language of the bird-like tengu race.

Terran
The language of earth creatures, those who trade frequently with terran planets/societies often speak this tongue as well.

Treant
Spoken by Treants and other plant based creatures.

Undercommon
Spoken by Drow, duergar, morlocks, svirfneblin. This language is derived from an ancient combination of Elven and even older tongues.

Vegepygmy
Used by Vegepygmies. Vegepygmy is not a spoken language since vegepygmies cannot speak. They communicate via a crude language of rhythmic taps, beats, and clicks.