| Subject | English | Spanish |
| nat.sc., agric. | adnate gill | laminilla adjunta |
| nat.res. | bluntnose six-gill shark | cañabota gris (Hexanchus griseus, Notidanus griseus) |
| nat.res. | bluntnose six-gill shark | tiburón de peinetas (Hexanchus griseus, Notidanus griseus) |
| nat.res. | bluntnose six-gill shark | cañabota (Hexanchus griseus, Notidanus griseus) |
| fish.farm. | bottom set gill net | red de enmalle |
| fish.farm. | bottom set gill net | red de enredo |
| fish.farm. | bottom set gill net | red de enmalle de fondo |
| agric. | circular gills | máquina para peinar el líno |
| agric. | decurrent gill | laminilla descendiente |
| agric. | drifting gill net | red de enmalle de deriva |
| nat.sc., agric. | drippy gill | laminilla goteante |
| fishery | fix gill-net | red de enmalle en estacas |
| fishery | fix gill-net | red de enmalle sobre estacas |
| fishery | fix gill-net | red de enmalle fija |
| fish.farm. | floating gill net | red de enmalle de superficie |
| nat.sc., agric. | free gill | laminilla libre |
| ichtyol. | gill arch | arco branquial |
| nat.sc., agric. | gill arches | arcos branquiales |
| fish.farm., vet.med. | gill-associated virus | virus asociado a las branquias |
| textile | gill box | gill box |
| textile | gill-box | gill-box (gills) |
| industr., construct. | gill box | gill-box |
| industr., construct. | gill box or gilling leather | cuero para manguitos de huso |
| industr., construct. | gill box sliver can | bote para estiraje |
| med. | gill cleft carcinoma | branquioma |
| med. | gill cleft carcinoma | tumor branquial |
| life.sc., fish.farm. | gill cover | opérculo |
| industr., construct. | gill drafting | gill de estiramiento |
| ichtyol. | gill filament | filamento branquial |
| zool. | gill-filaments | filamentos branquiales |
| chem. | Gill furnace | horno Gill |
| ichtyol. | gill lamellae | lámina branquial |
| fish.farm. | gill lid | opérculo |
| nat.sc., agric. | gill mildew | enfermedad de laminillas |
| textile | gill needle | puas de varetas |
| agric. | gill-net | red de enmalle |
| transp., agric. | gill net | red de enmalle |
| agric. | gill-net | red agallera |
| fishery | gill-net on stakes | red de enmalle en estacas |
| fishery | gill-net on stakes | red de enmalle sobre estacas |
| fishery | gill-net on stakes | red de enmalle fija |
| fish.farm. | gill netter | cerquero |
| transp., agric. | gill-netting | pesca con red de agallas |
| med. | Gill operation | operación de Gill |
| textile | gill pin | puas de varetas |
| ichtyol. | gill rakers | branquispinas |
| fish.farm. | gill rakes | branquispinas |
| fish.farm., vet.med. | gill rot | branquiomicosis |
| fish.farm., vet.med. | gill rot | pudrición de las agallas |
| med. | Gill's operation | operación de Gill |
| industr., construct. | gill spinning frame | hiladora de peine |
| industr., construct. | gill spinning frame | gill spinning |
| nat.sc., agric. | hard gill | laminillas degeneradas |
| textile | intersecting gill box | gill box intersecting |
| industr., construct. | intersecting gill-box | tren de estiraje a doble campo de agujas |
| fish.farm. | monofilament gill-net | red de enmalle de monofilamento |
| fish.farm. | monofilament gill net | red de enmalle de monofilamento |
| nat.sc., agric. | mycogone gill mildew | enfermedad de laminillas micogone (nosogenum: Mycogone perniciosa) |
| textile | open gill-box frame | manuar a simple campo de agujas |
| industr., construct. | open gill box frame | manuar a simple campo de aguja |
| industr., construct. | printing gill-box for Vigoureaux | manuar para estampado Vigoureaux |
| agric. | set gill net | red fija |
| fish.farm. | sharpnose seven-gill shark | boquidulce (Heptranchias perlo) |
| fish.farm. | sharpnose seven-gill shark | cañabota bocadulce (Heptranchias perlo) |
| nat.res. | six-gill shark | cañabota gris (Hexanchus griseus, Notidanus griseus) |
| nat.res. | six-gill shark | cañabota (Hexanchus griseus, Notidanus griseus) |
| nat.res. | six-gill shark | tiburón de peinetas (Hexanchus griseus, Notidanus griseus) |
| nat.sc., agric. | verticillium gill mildew | enfermedad de laminillasverticillio |
