相应 | xiāng yìng | to correspond / answering (one another) / to agree (among the part) / corresponding / relevant / appropriate / (modify) accordingly | |
配合 | pèi hé | matching / fitting in with / compatible with / to correspond / to fit / to conform to / rapport / to coordinate with / to act in concert with / to cooperate / to become man and wife / to combine parts of machine | |
对应 | duì yìng | to correspond / a correspondence / corresponding / homologous / matching with sth / counterpart | |
通信 | tōng xìn | to correspond (by letter etc) / to communicate / communication |