| Subject | English | Spanish |
| chem. | ethyl morpholine | etilmorfolina |
| chem. | methyl morpholine | metilmorfolina |
| chem., engl. | 4-triphenylmethyl morpholine | trifenmorph |
| chem., engl. | 4-triphenylmethyl morpholine | 4-tritylmorpholin |
| textile | morpholine soap | jabón de morfolina |