godan verb (-u)
call each other; call out to one another
Describes two or more people calling to each other, often by name or with a shout, in a mutual or reciprocal action.
遠くから友達と名前を呼び合った。
My friend and I called each other's names from a distance.
遭難した二人は、声を呼び合
The two lost people walked while calling out to each other.