to coexist

synaesthesia, synesthesia (a physiological or psychological phenomenon)

(attributive, geometry) concurrency

(attributive, geometry) collinearity

community (broadcasting)

(literally) one side / everywhere, all around, the whole area / one viewpoint, one opinion or way of thinking / the front page of a newspaper

Kyūjitai form of 体面: face

the dark, cruel side of a matter or situation / (Star Wars) the dark side of The Force

Kyūjitai form of 仮面: mask

a surname