| Subject | English | Spanish |
| nat.res. | alpine swift | vencejo real (Apus melba) |
| industr., construct. | first swift | bota en grueso |
| agric. | ghost swift | hepial del lúpulo (Hepialus humuli) |
| entomol. | ghost swift moth | hepiálido del lúpolo Hepialus humilis (L.) |
| agric. | ghost swift moth | hepialido del lupolo (Hepialus humuli) |
| entomol. | large swift moth | hepiálido del lúpolo Hepialus humilis (L.) |
| agric. | large swift moth | hepialido del lupolo (Hepialus humuli) |
| nat.res. | little swift | vencejo culiblanco chico (Apus affinis) |
| tech., industr., construct. | main cylinder swift of a garnetting machine | cilindro principal de una máquina Garnett |
| nat.res. | needle-tailed swift | rabitojo mongol (Chaetura caudacuta, Hirundapus caudacutus) |
| nat.res. | pallid swift | vencejo pálido (Apus pallidus) |
| industr., construct. | second swift | bota en fino |
| corp.gov. | SWIFT code | código identificador del banco |
| comp., MS | SWIFT code | código SWIFT (An international identification code used to identify financial institutions for international money transfers) |
| med. | Swift disease | acrocianosis (acrocyanosis) |
| econ. | swift reactivation of the dialogue | rápida reanudación del diálogo |
| life.sc., environ. | swift topi | sasabi (Damaliscus lunatus) |
| life.sc., environ. | swift topi | tiang (Damaliscus lunatus) |
| environ., nat.res. | swifts and hummingbirds | apodiformes (Apodiformes) |
| environ., nat.res. | white-rumped swift | vencejo cafre (Apus caffer) |
| nat.res. | white-rumped swift | vencejo culiblanco cafre (Apus cafer) |