| 1 | English | carnapper | One who engages in carjacking; one who steals an... |
| 2 | English | kidnapper | A person who kidnaps someone |
| 3 | English | kidnap | To seize and detain a person unlawfully;... |
| 4 | English | NAP | Acronym of non-aggression principle; Acronym of... |
| 5 | French | napper | to cover |
| 6 | French | -er | Forms infinitives of first-conjugation verbs |
| 7 | English | -er | A person or thing that does an action indicated... |
| 8 | Middle English | -er | agentive suffix; agent noun suffix |
| 9 | Old French | -er | Alternative form of -ier, verbal suffix;... |
| 10 | Latin | -āre | — |
| 11 | Proto-Italic | -āō | Forms primarily denominative verbs |
| 12 | Proto-Indo-European | -eh₂yéti | Creates iterative/ frequentative/ intensive... |
| 13 | Proto-Indo-European | -yéti | Creates intransitive, often deponent,... |
| 14 | Proto-Indo-European | yé- | — |
| 15 | Chichewa | iye | he, she |