| Subject | English | Spanish |
| industr., construct. | fiddle-back | ondulada fina |
| industr., construct. | fiddle-back | fibra ondulada |
| tech. | fiddle block | motor de dos ejes con poleas diferenciales |
| nat.res., agric. | fiddle-dock | acedera de hojas partidas (Rumex pulcher L.) |
| tech. | fiddle drill | taladro de pecho |
| tech. | fiddle drill | berbiquí de herrero |
| fish.farm. | fiddle fish | angelote (Squatina angelus, Squatina squatina) |
| fish.farm. | fiddle fish | villano (Squatina angelus, Squatina squatina) |
| fish.farm. | fiddle fish | pez ángel (Squatina angelus, Squatina squatina) |
| nat.res., agric. | fiddle-leaf dock | acedera de hojas partidas (Rumex pulcher L.) |
| industr., construct. | fiddle string | cordón defectuoso |
| agric., tech. | hand fiddle | voleadora a mano |