Searching for subtitles for a specific release like usually points to a few reliable community databases. Since I cannot directly "upload" a .srt file to you, I can guide you to the exact places where this specific text file is hosted. Where to Find the Text
This is the dedicated companion site for YTS releases. Look for the "English" entry specifically tagged for the 2018 version. subtitle Suspiria.2018.1080p.WEBRip.x264-[YTS.AM]
Keep it in the same folder as the video, and your media player (like VLC) should pick it up automatically. Searching for subtitles for a specific release like
For this YTS release, the following sites almost always have the matching "YIFY" or "YTS" timed subtitles: subtitle Suspiria.2018.1080p.WEBRip.x264-[YTS.AM]