https://www.busuu.com/en/german/abbreviations
101 Useful Abbreviations in German - Busuu
Learn 101 common and useful German abbreviations to add to your toolkit. These new words with their abbreviations in German will help you communicate faster.
useful abbreviationsin german101busuu
https://www.berlitz.com/blog/spanish-abbreviations-acronyms-texting
186 top useful Spanish abbreviations & acronyms you need in life
186topusefulspanishabbreviations