(regional, especially Kansai) a small valley

ghost / evil spirit, demon, ogre / (figuratively) someone of remarkable or diabolical energy or ability, a demon / "it" in a game of tag/hide and seek (鬼ごっこ onigokko, "pretend spirits")

(rare) alternative spelling of ヶ.

The katakana syllable ケ (ke). Its equivalent in hiragana is け (ke). It is the ninth syllable in the gojūon order; its position is カ行エ段 (ka-gyō e-dan, “row ka, section e”).

a sea, an ocean / a lake / (figuratively) an object covering over a large area, as in 血の海 (chi no umi, “pool of blood”) or 火の海 (hi no umi, “sea of fire”)

外, 他: other, the rest

(the) outside

demon, ogre, monster / soul of the deceased

a surname

valley / lowland, plain