noun, noun which may take the genitive case particle 'no'
two sides of the same coin; inseparable opposites
Yojijukugo emphasizing that two seemingly opposite things are actually inseparable aspects of a single entity. Often used in abstract contexts like good and evil, love and hate, or public and private life.
Freedom and responsibility are two sides of the same coin.
His public face and private life are inseparably linked.