Here are some of the languages I've studied (some more than others):

🍜 Chinese MDBG Chinese Dictionary | DeepSeek AI Chatbot

particles
对 / 我对科学有兴趣
把
🌶​ Hungarian essive-formative case -ként
http://www.hungarianreference.com/
🍻 Russian https://en.openrussian.org/
https://www.russianlessons.net/
https://2ch.hk/
Conlangs

I am mostly interested in conlanging for aesthetics

Here's one I'm making the specifications for in a Github repo.