| Subject | English | Spanish |
| chem. | affinity chromatography | cromatografía de afinidad |
| fin. | affinity fraud | fraude por afinidad |
| comp., MS | affinity group | grupo de afinidad (A geographical grouping of a customer's hosted service deployments and storage accounts within Windows Azure. An affinity group can improve service performance by locating computer workloads in the same datacenter or near the target user audience) |
| comp., MS | affinity mask | máscara de afinidad (A value that contains bits for each processor on the system, defining which processors a process or thread can use) |
| chem. | immuno-affinity chromatography | cromatografía de inmunoafinidad |
| med. | with an affinity for fat | lipófilo |
| gen. | with an affinity for fat | soluble en grasa capaz de disolver las grasas que tiene predisposición a la obesidad |
| transp., avia. | Working Group on Affinity Charters | Grupo de trabajo sobre vuelos fletados de afinidad |