| 1 | German | Coaching | — |
| 2 | English | coaching | present participle of coach; The process by which... |
| 3 | English | coach | A wheeled vehicle, generally drawn by horse... |
| 4 | Middle French | coche | — |
| 5 | German | Kutsche | carriage; coach; A large, old automobile in poor... |
| 6 | French | couché | past participle of coucher; in bed |
| 7 | French | coucher | to lay, to lay down; to put to bed, to put up; to... |
| 8 | Middle French | coucher | to put to bed; setting |
| 9 | Old French | couchier | to go to bed; to have sex; bedtime |
| 10 | Latin | collocō | — |
| 11 | Latin | cōn- | — |
| 12 | Latin | cum | with, along with; at; -fold |
| 13 | Old Latin | com | Alternative form of cum |
| 14 | Proto-Italic | kom | with, along, at |
| 15 | Proto-Indo-European | ḱóm | beside, near, by, with |
| 16 | Proto-Indo-European | ḱe | Deictic particle, here; Post-positional... |
| 17 | Middle English | kyt | — |
| 18 | Russian | кит | whale; genitive plural of ки́та |
| 19 | Old Church Slavonic | китъ | whale |
| 20 | Ancient Greek | κῆτος | whale, sea monster; abyss |