| Subject | English | Spanish |
| mech.eng., construct. | case hardened worm | sinfín cementado |
| med. | case worm | equinococo (Echinococcus) |
| entomol. | rice case worm | oruga de la vaina del arroz Nymphula depunctalis (Gn.) |
| entomol. | rice case worm | gusano del estuche Nymphula depunctalis (Gn.) |
| pest.contr. | small rice case worm | pequeño gusano del estuche Nymphula vittalis (Bremer) |
| mech.eng. | worm gear casing | caja del reductor |