| English | Spanish |
| small astronomical satellite | satélite astronómico pequeño |
| small-eyed ray | raya colorada (Raja microocellata) |
| small-eyed ray | raya de ojos (Raja microocellata) |
| small-eyed ray | raya cimbreira (Raja microocellata) |
| small ice cake | torta chica |
| small ice field | campo de hielo chico |
| small landslide | desprendimiento |
| small landslide | deslizamiento |
| small landslide | hundimiento |
| small-leaf mahogany | caoba española (Swietenia mahagoni) |
| small-leaved lime | tilo de hoja pequeña (Tilia cordata, Tilia parvifolia) |
| small-leaved lime | tilo silvestre (Tilia cordata, Tilia parvifolia) |
| small-leaved linden | tilo de hoja pequeña (Tilia cordata, Tilia parvifolia) |
| small-leaved linden | tilo silvestre (Tilia cordata, Tilia parvifolia) |
| small mottled willow moth | gusano soldado (Caradrina exigua, Laphygma exigua, Laphygma flavimaculata, Spodoptera exigua) |
| small mottled willow moth | gardama de la remolacha (Caradrina exigua, Laphygma exigua, Laphygma flavimaculata, Spodoptera exigua) |
| small mottled willow moth | gusano verde cogollero (Caradrina exigua, Laphygma exigua, Laphygma flavimaculata, Spodoptera exigua) |
| small nappe | escama |
| small-scaled tree pangolin | pangolín de escamas tricúspides (Manis tricuspis) |
| small-spotted catshark | pintarroja (Scyliorhinus canicula) |
