Regarding the latin words starting with a letter W the bot is correct. You asked for words starting letter and not with the sound W. All before you are correct all after i did not read :)

Which tracker?

I tried jellyfin a year ago and could not switch as it did not have transcoded downloads feature. All of my library is 4k HDR and do not want to download dozens of gb of movies on my phone when traveling. Do you know by any chance that they have implemented this feature already?