合

As 心が〜, 気持ちが〜, etc.

to communicate with each other; to understand each other; to be mutually understood; to be connected

to sound together; to vibrate mutually; to reverberate

to grapple

cannot handle (it) any longer; fed up with; enough is enough

to suspend operations (esp. of trains); to stop driving

jostle; struggle; scuffle

乳 is ateji

to have a secret affair; to meet secretly and flirt with each other

to gather; to meet

to send each other

Intransitive verb

to bite each other

Intransitive verb

to fit together

Transitive verb

to mutually encroach

Transitive verb

to eat together

to take (all of) into consideration

to find a way; to find the time; to try to make oneself available

enquiry; inquiry

to make (a person) pay for (something)

quarrel; feud; wrangling; confrontation; antagonism

snarling (at each other)

cheating each other

compromise; mutual concessions; give-and-take

wordplay; play on words; pun; rhyming game

in that manner

to sleep together (for a man and a woman); to bring one's bodies together (e.g. for warmth)

to make one's story to seem coherent; to adjust one's story to fit the situation

in that case

passing mark (examination); passing grade

Idiomatic expression

unable to get along; unable to cooperate; unable to hit it off; not seeing eye to eye