A full list of 5E languages, who speaks them and how to use them in your campaign.
Common, Forgotten Realms Wiki
Languages Language in Dnd 5e Umbra Sigillum
Languages - - 5th Edition System Reference Document/5e SRD
Half Dragon player race (See Link in comment!) by Nielsdejong -- Fur Affinity [dot] net, dragon race dnd
What languages are typically the most useful in D&D 5E? - Quora
Languages of Kingdoms of Kalamar: Legacy – Many-Sided Dice
D&D Products in New Languages, manuale del giocatore d&d 5 italiano
Dragonfolk (5e Race) - D&D Wiki, dragon race dnd
The Half-Dragon - 86 subraces, very powerful homebrew race, add to your campaign at your own discretion or run an entire one based of it : r/DnDHomebrew, dragon race dnd
D&D 5E languages explained: Every language in 5E
Comprehend Languages D&D 5th Edition on Roll20 Compendium
Antonio Demico on X: And finally, here's the last subrace of the new #DnD living-plant race, the Harvestborn! I'm very excited to say that the race will be released for all Dragon
Languages in Dungeons & Dragons 5e
Cleric 5e: DnD 5th Edition Class Guide - RPGBOT
Dungeons and Dragons 5e Character Creation Guide