相
서로 상, mutual, reciprocal, each other (9)
對
마주볼 대, correct, right; facing, opposed (14)
相對
상대
counterpart, companion, rival
相對方
상대방
conversation partner
相對性
상대성
relativity
相對的
상대적인
relative
相對便
상대편
oppenent, rival, competitor, adversary, antagonist