| Subject | English | French |
| health. | fatal accident | accident mortel |
| stat., lab.law. | fatal accident with only medical origin | accident mortel ayant une origine uniquement médicale durant le travail |
| stat., lab.law. | fatal accident with only medical origin | accident mortel ayant une origine uniquement médicale |
| med. | fatal autosomal recessive syndrome | syndrome fatal autosomal récessif |
| industr. | fatal by-product gas | gaz fatal |
| paraglid. | fatal crash | chute mortelle |
| gen. | fatal disease | maladie mortelle |
| med. | fatal dose | dose limite mortelle |
| med. | fatal dose | dose létale |
| biol. | fatal dose | dose létale (du rayonnement ionisant) |
| IT, tech. | fatal error | erreur fatale |
| comp., MS | fatal error | erreur irrécupérable (An error that causes the system or a program to fail abruptly with no hope of recovery. An example of a fatal error is an uncaught exception that cannot be handled) |
| health. | fatal familial insomnia | insomnie fatale familiale |
| chem. | Fatal if inhaled. | Mortel par inhalation. |
| chem. | Fatal if swallowed. | Mortel en cas d'ingestion. |
| gen. | fatal illness | maladie mortelle |
| chem. | Fatal in contact with skin. | Mortel par contact cutané. |
| med. | fatal infantile eczema | mort du nourrisson par eczéma |
| health. | fatal injury | accident mortel |
| health. | fatal injury | blessure mortelle |
| law | fatal injury fatal injury | blessure mortelle |
| transp. | fatal motorcycle accident | accident mortel de moto |
| health. | fatal outcome | issue fatale |
| med. | fatal period | délai fatal |
| chem. | May be fatal if swallowed and enters airways. | Peut être mortel en cas d'ingestion et de pénétration dans les voies respiratoires. |
| med. | median fatal dose | dose mortelle 50 |
| med. | median fatal dose | dose létale 50 |
| stat., lab.law. | non fatal accident | accident non mortel |
| stat., lab.law. | non-fatal accident | accident non mortel |
| stat., lab.law. | non-fatal accident | accident du travail non mortel |
| stat., lab.law. | non fatal accident | accident du travail non mortel |
| stat., lab.law. | non-fatal accident from 1 to 3 days'absence | accident ayant entraîné une absence du travail de moins de 3 jours |
| stat., lab.law. | non-fatal accident from 1 to 3 days'absence | accident du travail avec 1 à 3 jours d'arrêt |
| stat., lab.law. | non-fatal accident with more than 3 days'absence | accident du travail avec arrêt de travail de plus de 3 jours |
| stat., lab.law. | non-fatal accident with more than 3 days'absence | accident du travail avec plus de 3 jours d'arrêt |
| law | non-fatal injury | blessure non mortelle |
| gen. | one slip in concentration at the wheel is fatal! | une distraction au volant, ça ne pardonne pas! |
| transp. | police fatal accident report | rapport de police à l'issu d'un accident mortel |
| gen. | potentially fatal | pouvant provoquer la mort |
| health., food.ind. | smoking causes fatal lung cancer | fumer provoque le cancer mortel du poumon |
| health., food.ind. | stopping smoking reduces the risk of fatal heart and lung diseases | arrêter de fumer réduit les risques de maladies cardiaques et pulmonaires mortelles |
| gen. | the fatal moment | l'instant fatal |