| 1 | Ido | kontar | to count, reckon, add up, tally; to take a census |
| 2 | German | konto | — |
| 3 | Italian | conto | calculation; account; bill |
| 4 | Latin | comptus | brought together, formed, framed, constructed,... |
| 5 | Latin | comō | — |
| 6 | Latin | quōmodo | — |
| 7 | Latin | quō | — |
| 8 | Latin | quī | — |
| 9 | Latin | -cumque | Used to derive indefinite adjectives, adverbs and... |
| 10 | Latin | cumque | however, whenever, howsoever, whensoever |
| 11 | Latin | cum | with, along with; at; -fold |
| 12 | Old Latin | com | Alternative form of cum |
| 13 | Proto-Italic | kom | with, along, at |
| 14 | Proto-Indo-European | ḱóm | beside, near, by, with |
| 15 | Proto-Indo-European | ḱe | Deictic particle, here; Post-positional... |
| 16 | Middle English | kyt | — |
| 17 | German | kitt | — |
| 18 | Old High German | kuti | — |
| 19 | Proto-West Germanic | kwidu | gum, resin |
| 20 | Proto-Germanic | kweduz | resin |
| 21 | Proto-Indo-European | gʷet- | resin, gum; to say, speak |
| 22 | Proto-Indo-European | gū- | to bend; curve; arch; vault; to bow, bend, arch,... |