お互(たが)い

each other; both

互(たが)い

each other; mutually

相互(そうご)

mutual; reciprocal

互角(ごかく)

evenly matched; equal

互(たが)い違(ちが)い

alternating; crossed

交互(こうご)

alternately; mutually

互助(ごじょ)

mutual aid

互換性(ごかんせい)

compatibility; interchangeability

私(わたし)たちはお互(たが)いに助(たす)け合(あ)いましょう。

Let's help each other.

相互理解(そうごりかい)が大切(たいせつ)です。

Mutual understanding is important.