穏子: a female given name

怨霊: a ghost, particularly a vengeful or malevolent one

音声: voice, audio

音源: source of a sound; / 音源: (computing) device or chip that produces sound; / 音源: (music) recording.

Old English

a first, start, a beginning / (slang) first sexual relations, one's first time

bowl; pot / skull; cranium

Alternative spelling of 二十日鼠 (“house mouse”)

Kyūjitai form of 頭髪 (“hair on the head”)

to explode / (Internet slang, humorous) to "explode"; to meet an end