Instances
| BG | Barad Guldur (As vezes Barad Gúlaran) |
| BoL0 | Battle of Lorién |
| CD | Carn Dûm |
| DD | Dark Delvings |
| DN | Dâr Narbugud |
| FG | Fil Gashan |
| FT | Forgotten Treasury |
| GA | Garth Agarwen |
| GB | The Great Barrows |
| GF | Gath Forthnír |
| GS | The Grand Stair |
| GT | Goblin Town |
| Hele/HG | Helegrod |
| HoC | Halls of Crafting |
| HoM | The Mirror-halls of Lumul-nar (Hall of Mirrors) |
| HoN | The Halls of Night |
| HV | Haudh Valandil |
| LT | Lost Temple ou Lieutenant of Dol Guldur encontrado em Barad Guldur |
| NCF/NF | Northcotton Farms |
| OD | Ost Dunhoth |
| OE | Ost Elendil |
| SG | Sammath Gûl |
| SH | Sword-hall of Dol Guldur |
| Sch/Lib | The School at Tham Mírdain / The Library at Tham Mírdain |
| STH | Stoneheight |
| Skum | Skûmfil |
| SS | Sâri-surma (aka Glacier Fortress) |
| Turtle | Filikul |
| Uru | Urugarth |
| Watcher | The Vile Maw |
| WP | Warg-pens of Dol Guldur |
Gameplay
| Add | Adicional Mob (Os mobs menores em uma luta com boss) |
| AoE | Area of Effect |
| BPE | Block/Parry/Evade |
| CC | Crowd Control |
| CD | Cooldown |
| CJ/FM | Conjunction (Também conhecido como Fellowship Move/Maneuver) |
| DoT | Damage over Time |
| DPS | Damage per second |
| HoT | Healing over Time |
| ICMR | In-combat morale regeneration |
| ICPR | In-combat power regeneration |
| LOS | Line of sight |
| MT | Main Tank |
| OT | Off Tank |
| Pot | Uma Poção que cura algum efeito ou restaura morale ou power. |
| Rad | Radiance |
| ToT | Threat over Time (Ameaça ao longo do tempo) |
Grouping
| #.#.# (eg. 1.2.11, 2.6.8) | Epic Quest: Volume, Book, Chapter |
| EM | Easy mode |
| HM | Hard mode (Challenge Mode) |
| LFF | Looking for fellowship (Procurando por Fellowship) |
| LFM | Looking for more (Procurando mais) |
| MT | Miss tell (Mensagem no canal errado) |
| PST | Please send tell (Por favor manda um Tell) |
| PUG | Pick-up group (Um grupo com convite aberto para qualquer pessoa) |
| QM | Quest mode (Modo quest) |
| T1, T2 | Tier 1, Tier 2 (Dificuldade) |
Trade
| COD | Cash on delivery (Dinheiro na entrega por correio) |
| Stack | O número máximo de itens para um slot de inventário |
| WTB | Want to buy (Quero comprar) |
| WTS | Want to sell (Quero vender) |
| WTT | Want to trade (Quero trocar) |
Crafting
| Mats | Materiais |
| SM | Supreme Master |
Items
| BoA | Bind on Aquire |
| BoE | Bind on Equip |
| IXP | Item XP |
| LI | Legendary Item |
| SoE | Scroll of Empowerment |
| SM | Skirmish Mark |
Miscellaneous
| AFK | Away from Keyboard (Longe do teclado) |
| DP | Destiny Points |
| DKP | Dragon Kill Points |
| F2P/FTP | Free to Play |
| LG | Limlight Gorge |
| OP | Over Powered |
| PC | Player Character |
| NPC | Non-player Character |
| PvP | Player vs Player |
| PvMP | Player vs Monster Player |
| MoM | Mines of Moria |
| SoM | Siege of Mirkwood |
| RoI | Rise of Isengard |
| TP | Turbine Points |
