| 叩问 | [ koù wèn ] (literary) to inquire, to ask, question |
| 叩应 | [ koù yìng ] call-in (loanword) |
| 叩见 | [ koù jiàn ] to kowtow in salute |
| 叩谒 | [ koù yè ] to visit (esp. one's superiors) |
| 叩门 | [ koù mén ] to knock on a door |
| 叩关 | [ koù guān ] to knock at the gate (old), to make an approach, to invade, to attack the goal (sports) |
| 叩头 | [ koù toú ] to kowtow (traditional greeting, esp. to a superior, involving kneeling and pressing one's forehead to the ground), also written 磕頭|磕头[ke1 tou2] |
| 叩 | [ koù ] old variant of 叩[kou4], to knock |