jiāo​gǎn

to interact

交感 jiāo​gǎn
to interact
to interact with each other; to respond to one another or be mutually affected by each other
sexual intercourse
(literary) to have sexual intercourse; to engage in sexual relations
contamination
(linguistics) phonetic contamination, where one sound is influenced by another nearby sound
sympathetic
(physiology) relating to or denoting the part of the autonomic nervous system that prepares the body for action; sympathetic
consensus
mutual agreement; consensus of opinion or feeling