| 1 | English | compunctious | Exhibiting compunctions, scruples, feelings of... |
| 2 | English | compunction | A pricking of conscience or a feeling of regret,... |
| 3 | Middle English | compunccion | — |
| 4 | Old French | compunction | — |
| 5 | Late Latin | compunctionem | a pricking; accusative singular of compūnctiō |
| 6 | Latin | compunctus | pricked, punctured; goaded, stimulated; tattooed |
| 7 | Latin | compungere | second-person singular future passive indicative... |
| 8 | Latin | com- | allomorph of con- |
| 9 | Latin | con- | Used in compounds to indicate a being or bringing... |
| 10 | Latin | cum | with, along with; at; -fold |
| 11 | Old Latin | com | Alternative form of cum |
| 12 | Proto-Italic | kom | with, along, at |
| 13 | Proto-Indo-European | ḱóm | beside, near, by, with |
| 14 | Proto-Indo-European | ḱe | Deictic particle, here; Post-positional... |
| 15 | Middle English | kyt | — |
| 16 | Russian | кит | whale; genitive plural of ки́та |
| 17 | Old Church Slavonic | китъ | whale |
| 18 | Ancient Greek | κῆτος | whale, sea monster; abyss |