歌特 and
哥特 (gētè) are both phonetic transliterations of English 'Goth/Gothic'.
哥特 is more common in mainland publishing;
歌特 sees use in subtitles and music journalism. Covers all senses: medieval Goths, Gothic cathedrals (《
巴黎圣母院》/Notre-Dame), goth subculture, and Gothic novels.