| Subject | English | Spanish |
| gen. | I'm struggling to find the perfect gift | Estoy batallando para encontrar el regalo perfecto |
| gen. | make the perfect salad you need fresh lettuce, tomatoes, and cucumbers | Para hacer la ensalada perfecta necesitas lechuga fresca, tomates y pepinos |
| real.est. | perfect a lien | perfeccionar una garantía |
| fin. | perfect a lien | perfeccionar un gravamen |
| meteorol. | perfect accuracy | precisión perfecta |
| immigr., tech. | perfect binding | encuadernación a la americana |
| book.bind. | perfect binding | encuadernación encolando los pliegos a la pasta |
| gen. | perfect binding | encuadernación adhesiva |
| gen. | perfect binding | encuadernación encolando los pliegos a la pasta (Proprietary method of holding pages of a book together with glue, using no stitching or sewing) |
| immigr., tech. | perfect binding | encuadernación sin cosido |
| gen. | perfect binding | encuadernación (Proprietary method of holding pages of a book together with glue, using no stitching or sewing) |
| IMF. | perfect capital mobility | movilidad perfecta del capital |
| IT, dat.proc. | perfect circle | círculo perfecto |
| chem. | perfect combustion | combustión perfecta |
| econ., market. | perfect competition | competencia perfecta |
| radio | perfect conductor | conductor perfecto |
| commun. | perfect copy | impresión recto verso |
| mineral. | perfect crystal | cristal perfecto |
| supercond. | perfect diamagnetism | diamagnetismo perfecto |
| radio | perfect dielectric | dieléctrico perfecto o ideal |
| tech., el. | perfect dielectric | dieléctrico ideal |
| bot. | perfect flower | flor perfecta |
| bot. | perfect-flowered | con flores perfectas |
| nat.sc., agric. | perfect-flowered vine type | tipo con fluoración completa |
| earth.sc. | perfect fluid | fluido perfecto |
| IMF. | perfect foresight model | modelo de previsión absoluta |
| IMF. | perfect foresight model | modelo de previsión perfecta |
| baseb. | perfect game | juego perfecto |
| nat.sc. | perfect gas | gas ideal |
| nat.sc. | perfect gas | gas perfecto |
| fin. | perfect hedge | cobertura completa |
| mech.eng., construct. | perfect hinge | rótula sin rozamiento |
| mech.eng., construct. | perfect hinge | rótula perfecta |
| bank. | perfect market | mercado perfecto |
| phys.sc. | perfect mirror | espejo perfecto |
| el. | perfect modulation | restitución perfecta |
| el. | perfect modulation | modulación perfecta |
| commun. | perfect or back up a sheet | poner una hoja en retiración |
| IT, dat.proc. | perfect printing | impresión a dos caras |
| meteorol. | perfect prog | Perfect Prog |
| earth.sc. | perfect reflecting diffuser | difusor perfecto por reflexión |
| el. | perfect reflecting surface | superficie reflectora perfecta |
| el. | perfect restitution | modulación perfecta |
| el. | perfect restitution | restitución perfecta |
| telegr. | perfect discrete signal | señal discreta perfecta |
| IT, dat.proc. | perfect square | cuadrado perfecto |
| health. | perfect stage | estado perfecto |
| health. | perfect state | estado perfecto |
| IMF. | perfect substitute | sustituto perfecto |
| transp., construct. | perfect transition | transición correcta |
| earth.sc. | perfect transmitting diffuser | difusor perfecto por transmisión |
| law | perfect trust | fideicomiso perfecto |
| el. | perfect vertical aerial | antena vertical perfecta |
| el. | perfect vertical antenna | antena vertical perfecta |
| life.sc., construct. | perfect well | pozo completo |
| chem. | perfect yeast | levadura perfecta |
| commun. | perfecting machine | máquina de reacción |
| commun. | perfecting machine | máquina de retiración |
| meteorol. | Practically Perfect TAF | TAF prácticamente perfecto |
| environ. | sludge perfect mixing | mezcla completa de lodos |
| gen. | The central square is the perfect place to build the statue of the king | La plaza central es el lugar perfecto para edificar la estatua del rey |
| gen. | The customer confirmed that the product arrived in perfect condition | El cliente confirmó que el producto llegó en perfectas condiciones |
| gen. | this is a perfect example | este es un ejemplo perfecto |