| Subject | English | Spanish |
| chem. | chrome scarlet | cromo escarlato |
| chem. | chrome scarlet | escarlata de cromo |
| chem. | helio fast scarlet | rojo de correos |
| chem. | helio fast scarlet | rojo de estafeta |
| chem. | scarlet chrome | cromo escarlato |
| chem. | scarlet chrome | escarlata de cromo |
| med. | scarlet fever | escarlatina |
| health. | scarlet fever | fiebre escarlatina |
| med. | scarlet fever | fiebre escarlatinosa (scarlatina) |
| med. | Scarlet Fever | escarlatina |
| nat.res. | scarlet grosbeak | camachuelo carminoso (Carpodacus erythrinus) |
| chem. | scarlet lake | laca escarlata |
| nat.sc., agric. | scarlet maple | arce rojo (Acer rubrum) |
| bot. | scarlet maple | arce rojo Acer rubrum |
| nat.sc., agric. | scarlet pimpernel | murajes (Anagallis arvensis) |
| nat.res. | scarlet rosefinch | camachuelo carminoso (Carpodacus erythrinus) |
| agric. | scarlet runner | frijol colorado (Phaseolus coccineus, Phaseolus multiflorus) |
| agric. | scarlet runner | judía encarnada (Phaseolus coccineus, Phaseolus multiflorus) |
| agric. | scarlet runner | judía pinta (Phaseolus coccineus, Phaseolus multiflorus) |
| agric. | scarlet runner | judía escarlata (Phaseolus coccineus, Phaseolus multiflorus) |
| agric. | scarlet runner | judía de España (Phaseolus coccineus, Phaseolus multiflorus) |
| agric. | scarlet runner | frijol carmesi (Phaseolus coccineus, Phaseolus multiflorus) |
| agric. | scarlet runner bean | judía pinta (Phaseolus coccineus, Phaseolus multiflorus) |
| horticult. | scarlet seeds | semillas de abro |
| nat.res., fish.farm. | scarlet shrimp | carabinero (Plesiopenaeus edwarsianus) |
| nat.sc., agric. | scarlet shrimp | gamba carabinero (Plesiopenaeus edwardsianus) |
| bot. | scarlet strawberry | fresa de Virginia Fragaria virginiana |
| gen. | scarlet tanager | tángara escarlata Piranga olivacea |
| nat.sc. | scarlet tanager | candelo oliváceo (Piranga olivacea) |
| gen. | scarlet tanager | quitrique rojo Piranga olivacea |