Ova in Japanese

The name Ova in Japanese Kanji is 和婆 (peace, old woman), 和馬 (peace, horse), 悪婆 (bad, old woman), 悪馬 (bad, horse), 汚馬 (dirty, horse) and more. In all, there are 6 expressions. And also the name Ova in Katakana is オバ and which in Hiragana is おば.