mirror writing

(computing) character encoding

any of various writing systems claimed to predate Japan's adoption of Chinese characters and perpetuated by feudal scholars, but widely discredited by modern scholars

(possibly dialect, Tōhoku) any of various writing systems claimed to predate Japan's adoption of Chinese characters and perpetuated by feudal scholars, but widely discredited by modern scholars

rune

(offensive, Internet slang) Alternative form of 子供部屋おじさん

(offensive, Internet slang) a man whose age is greater than about thirty or forty who lives in one's child room and with one's parent(s).

single room

double room

the Tangut script (a logographic writing system used for writing the Tangut language of the Western Xia Dynasty)