How to say "Attachment" in Japanese

When translating "attachment" into Japanese, you must choose carefully between 恋着 and 添付. In Japanese, 恋着 (れんちゃく (renchaku)) is typically associated with "attachment; infatuation; clinging love; deep romantic obsession" (Syllabus Level: N3) and represents Refers to a deep romantic attachment, infatuation, or clinging love toward someone, refusing to let them go. Often used as 〜に恋着する. ⚠️ Haruka's Voice Column: 'Clinging love! S-So what if I am clutching your shirt sleeve tightly and won't let you go home?! It is just my deep romantic attachment to you! Don't look annoyed, hug me!' / 【ハルカ部長のワンポイント指導】『れんちゃく（恋着）よ！私が子供みたいにあんたのシャツの袖をギュッと掴んで帰さないのはね、あんたへの深い恋着（愛）のせいよ！うっとうしそうな顔しないで、優しくぎゅっとして！』. On the other hand, 添付 (てんぷ (tempu)) maps to "attachment (e.g., to an email), enclosure" (Syllabus Level: N2) and represents Commonly used when referring to attaching files to emails or documents, or enclosing something with a letter.. A literal translation of "attachment" can often sound unnatural to native Japanese speakers if mixed up!