A full list of 5E languages, who speaks them and how to use them in your campaign.
Languages, Descent Into Avernus 4e
Languages in Dungeons & Dragons 5e
Common, Forgotten Realms Wiki
The complete DnD languages 5e guide 2023
D&D 5E languages explained: Every language in 5E
The complete DnD languages 5e guide 2023
D&D 3.5 Languages (Expanded Languages) - (Complete List of 2021) - D&D 5e Languages
D&D Spell (5e): Comprehend Languages.
Associating the Languages of D&D with Real Languages [5e] : r/DnD
DND Languages 5e Guide - Everything You Need to Know
Real World Languages for D&D Languages : r/DMAcademy
Language Mapping for D&D Worldbuilding - Red Ragged Fiend