According to wikipedia:
In Greek mythology, the Keres (/ˈkɪriːz/; Ancient Greek: Κῆρες), singular Ker (/ˈkɜr/; Κήρ), were female death-spirits. They were the goddesses who personified violent death and who were drawn to bloody deaths on battlefields.[3] Although they were present during death and dying, they did not have the power to kill. All they could do was wait and then feast on the dead. The Keres were daughters of Nyx, and as such the sisters of beings such as Moirai,[3] who controlled the fate of souls, and Thanatos, the god of peaceful death. Some later authorities, such as Cicero, called them by a Latin name, Tenebrae (“the Darknesses”), and named them daughters of Erebus and Nyx.
The Greek word κήρ means “death” or “doom”[4] and appears as a proper noun in the singular and plural as Κήρ and Κῆρες to refer to divinities.
ケール（古希: Κήρ, Kēr）は、ギリシア神話に登場する女神あるいは悪霊である。複数おり、複数形はケーレス（古希: Κῆρες, Kēres）。
『イーリアス』では、戦場で死をもたらす悪霊。翼を持ち、黒色で、長い歯と爪が長く、死体の血を吸う。ヘーシオドスによれば、夜の女神ニュクスの娘で、タナトス、ヒュプノス、モイライの姉妹。
北欧神話のワルキューレと共通点が見られるが、大きな違いとして、ケールは常に悪いイメージで語られる。
ケールという語は、運命の意味でも使われる。アキレウスは、武勲に輝く短いケールと、故郷に帰る長く幸せなケールの選択を迫られた。また、死者の魂の意味でも使われる。
以上はwikipediaから。
According to Oxford languages, divinity: the state or quality of being divine. divine: of or like God or a god.
proper noun: 固有名詞