| Subject | English | Spanish |
| health., chem. | morphine acetate | acetato de morfina |
| health. | morphine addict | morfinómano |
| health. | morphine addiction | morfinomanía |
| health. | morphine analgesia | terapia analgésica mediante morfina |
| social.sc. | morphine base | morfina base |
| health., chem. | morphine citrate | citrato de morfina |
| health., chem. | morphine gluconate | gluconato de morfina |
| health., chem. | morphine hydriodide | yodhidrato de morfina |
| health., chem. | morphine hydrobromide | bromhidrato de morfina |
| chem. | morphine hydrochloride | clorhidrato de morfina |
| health., chem. | morphine hypophosphite | hipofosfito de morfina |
| health., chem. | morphine isobutyrate | isobutirato de morfina |
| health., chem. | morphine lactate | lactato de morfina |
| med. | morphine-like drug | narcótico |
| gen. | morphine-like drug | agente que produce insensibilidad, estupor o anestesia |
| health., chem. | morphine meconate | meconato de morfina |
| health., chem. | morphine methiodide | yodometilato de morfina |
| social.sc. | morphine methyl ether | metilmorfina |
| social.sc. | morphine methyl ether | codeína |
| health., chem. | morphine methylbromide | bromometilato de morfina |
| health., chem. | morphine methylchloride | clorometilato de morfina |
| health., chem. | morphine methylsulfonate | metilsulfonato de morfina |
| health., chem. | morphine mucate | mucato de morfina |
| health., chem. | morphine nitrate | nitrato de morfina |
| health., chem. | morphine-N-oxide | N-oximorfina |
| health., chem. | morphine-N-oxide quinate | quinato de N-oximorfina |
| health., chem. | morphine phenylpropionate | fenilpropionato de morfina |
| health., chem. | morphine phosphate | fosfato de morfina |
| health., chem. | morphine phtalate | ftalato de morfina |
| health., chem. | morphine stearate | estearato de morfina |
| med. | morphine sulfate | S.M.Retard |
| med. | morphine sulfate | M-ESLON |
| med. | morphine sulfate | sulfato de morfina |
| med. | morphine sulfate | MST Continus |
| med. | morphine sulphate | S.M.Retard |
| med. | morphine sulphate | M-ESLON |
| med. | morphine sulphate | sulfato de morfina |
| med. | morphine sulphate | MST Continus |
| health., chem. | morphine tartrate | tartrato de morfina |
| health. | morphine user | morphine |
| health. | morphine user | morfinómano |
| health. | morphine user | morfino |
| health., chem. | morphine valerate | valerianato de morfina |
| med. | simulating effects of morphine | morfinomimético |
| gen. | simulating effects of morphine | productos que tienen un efecto parecido al de la morfina |
| gen. | they gave him a shot of morphine | le inyectaron morfina |
| gen. | they gave him morphine injections | le inyectaron morfina |