Kúil
Kúil is a term that can refer to several distinct concepts depending on the context. In some East Asian languages, such as certain dialects of Mandarin Chinese, "kúil" (often romanized as "kui" or "kuih") can be a transliteration of characters related to the concept of "ghost" or "spirit." This usage is primarily found in folklore and religious contexts.
Alternatively, "kúil" might be a phonetic representation of a word in a different language entirely, potentially