| Subject | English | Spanish |
| bot. | anil indigo plant | añil Indigofera suffruticosa, anil |
| bot. | anil indigo plant | índigo Indigofera suffruticosa, anil |
| nat.sc., agric. | anil indigo plant | añil (Indigofera, Indigofera anil, Indigofera suffruticosa) |
| nat.sc., agric. | anil indigo plant | índigo (Indigofera, Indigofera anil, Indigofera suffruticosa) |
| bot. | anil indigo plant | ruda cimarrona Indigofera suffruticosa, anil |
| nat.sc., agric. | anil indigo plant | ruda cimarrona (Indigofera, Indigofera anil, Indigofera suffruticosa) |
| nat.sc., agric. | anil indigo plant | planta de género Indigofera (Indigofera, Indigofera anil, Indigofera suffruticosa) |
| nat.sc., agric. | anil indigo plant | añilera (Indigofera, Indigofera anil, Indigofera suffruticosa) |
| bot. | anil indigo plant | añilera Indigofera suffruticosa, anil |
| agric. | Chinese indigo | indigo chino (Polygonum tinctorium) |
| gen. | color indigo | color añil |
| nat.sc. | indigo bunting | pontífice índigo (Passerina cyanea) |
| med. | indigo calculus | cálculo producido por el índigo |
| chem. | indigo carmine | E 132 |
| chem. | indigo carmine | carmín de índigo |
| chem. | indigo carmine | carmin indigo |
| chem. | indigo carmine | E132 |
| chem. | indigo carmine | CI food blue 1 |
| chem. | indigo carmine | indigotina |
| med. | indigo-carmine test | prueba de indigocarmín |
| med. | indigo carmine test | prueba de indigocarmín |
| chem. | indigo colourant | colorante de índigo |
| mineral. | indigo copper | cobre índigo |
| mineral. | indigo copper | covelita |
| chem. | indigo dye | colorante del índigo |
| gen. | Indigo gets its name from the plant named indigo | El añil recibe su nombre de la planta llamada añil |
| bot. | indigo plant | ruda cimarrona Indigofera suffruticosa, anil |
| bot. | indigo plant | añil Indigofera suffruticosa, anil |
| bot. | indigo plant | índigo Indigofera suffruticosa, anil |
| nat.sc., agric. | indigo plant | ruda cimarrona (Indigofera, Indigofera anil, Indigofera suffruticosa) |
| nat.sc., agric. | indigo plant | planta de género Indigofera (Indigofera, Indigofera anil, Indigofera suffruticosa) |
| nat.sc., agric. | indigo plant | índigo (Indigofera, Indigofera anil, Indigofera suffruticosa) |
| nat.sc., agric. | indigo plant | añilera (Indigofera, Indigofera anil, Indigofera suffruticosa) |
| nat.sc., agric. | indigo plant | añil (Indigofera, Indigofera anil, Indigofera suffruticosa) |
| bot. | indigo plant | añilera Indigofera suffruticosa, anil |
| gen. | indigo sweater | suéter añil |
| dye. | indigo vat | baño de índigo |
| chem. | indigo white | índigo blanco |
| chem. | mineral indigo | índigo mineral |
| chem. | mineral indigo | azul de molibdeno |
| chem. | natural indigo | índigo natural |
| chem. | synthetic indigo | índigo sintético |
| nat.sc., agric. | true indigo plant | añil (Indigofera tinctoria) |
| nat.sc., agric. | true indigo plant | índigo (Indigofera tinctoria) |
| bot. | true indigo plant | índigo Indigofera tinctoria |
| bot. | true indigo plant | añil Indigofera tinctoria |
| bot. | West Indian indigo plant | índigo Indigofera tinctoria |
| bot. | West Indian indigo plant | añil Indigofera tinctoria |