| Phlebotominae | Phlebotominae |
| Phlegethon | Flegetonte |
| phlegm | esputo |
| phlegmatic | sereno |
| phlegmatical | flemático |
| phlegmon | flemón |
| Phlegyas | Flegias |
| Phleng Chat | Phleng Chat |
| Phleum | Phleum |
| Phlius | Fliunte |
| Phlogiston theory | Teoría del flogisto |
| phlox | flox |
| Phnom Penh | Phnom Penh |
| phobia | fobia |
| Phobos | Fobos |
| Phobos program | Programa Fobos |
| Phobos-Grunt | Phobos-Grunt |
| Phoca | Phoca |
| Phocaea | Focea |
| Phocas | Focas |
| Phocis | Fócida |
| Phoebe | Febe |
| Phoebe Buffay | Phoebe Buffay |
| Phoebus | Febo |
| Phoenice | Fénix |
| Phoenicia | Fenicia |
| Phoenician | fenicio |
| Phoenician alphabet | Alfabeto fenicio |
| Phoenician language | Idioma fenicio |
| Phoenicianism | Fenicismo |
| Phoenicopterus jamesi | Phoenicopterus jamesi |
| phoenix | fénix |
| Phoenix Dwarf | Fénix |
| Phoenix Ikki | Ikki |
| Phoenix Islands | Islas Fénix |
| Phoenix Park | Parque Fénix |
| Phoenix Sky Harbor International Airport | Aeropuerto Internacional Sky Harbor |
| Phoenix spacecraft launches towards Mars | Despega la sonda Phoenix con destino a Marte |
| Phoenix street circuit | Circuito callejero de Phoenix |
| Phoenix Suns | Phoenix Suns |
| Phoenix-Mesa Gateway Airport | Aeropuerto Williams Gateway |
| Phoenixeilanden | Islas Fénix |
| Pholus | Folo |
| Phonak | Phonak |
| phone | llamar por teléfono |
| phone book | guía telefónica |
| phone booth | cabina telefónica |
| phone call | llamada |
| Phone directory | Almanaque |
| phoneme | fonema |
| phonemics | fonemática |
| phonetic | fonético |
| phonetician | fonetista |
| phonetics | fonética |
| phoney | falso |
| Phoney War | Drôle de guerre |
| Phong Nha-Ke Bang National Park | Phong Nha-Ke Bang |
| Phong reflection model | Modelo de reflexión de Phong |
| Phong shading | Sombreado de Phong |
| Phoniatrics | Foniatría |
| phonic | fónico |
| phonograph | tocadiscos |
| Phonograph cylinder | Cilindro de fonógrafo |
| phonology | fonología |
| phony | engaño |
| Phoolan Devi | Phoolan Devi |
| Phorbas | Forbante |
| Phorcys | Forcis |
| Phormio | Formión |
| Phoroneus | Foroneo |
| Phorusrhacidae | Phorusrhacidae |
| Phorusrhacos | Phorusrhacos |
| phosphate | fosfato |
| Phosphate binders | Quelante de fosfato |
| phosphate removal | eliminación de fosfato |
| phosphate substitute | sustituto del fosfato |
| phosphatic fertiliser | fertilizante fosfático |
| Phospherus | Fósforo |
| Phosphite | Fosfito |
| Phosphodiester bond | Enlace fosfodiéster |
| Phosphodiester bonds | Enlace fosfodiéster |
| Phospholipase | Fosfolipasa |
| Phospholipase C | Fosfolipasa |
| Phosphonium | Fosfonio |
| phosphorescence | fosforescencia |
| phosphorescent | fosforescente |
| phosphoric | fosfórico |
| Phosphoric acid | Ácido fosfórico |
| Phosphoric acids and Phosphates | Ácido fosfórico |
| phosphorous | fosforoso |
| phosphorus | fósforo |
| Phosphorus pentachloride | Pentacloruro de fósforo |
| Phosphorus trichloride | Pentacloruro de fósforo |
| Phosphorus trioxide | Trióxido de fósforo |
| Photic sneeze reflex | Reflejo de estornudo por luz brillante |
| Photinia | Photinia |
| photo | ingreso |
| Photo booth | Purikura |
| Photo eye | Célula fotoeléctrica |
| photo finish | final decidido por foto |
| Photoallergy | Fotoalergia |
| Photoblog | Fotolog |
| photochemical agent | efectos y agentes fotoquímicos |
| photochemical oxidant | oxidante fotoquímico |
| photochemical pollution | contaminación fotoquímica |
| photochemical product | productos fotoquímicos |
| photochemical reaction | reacciones fotoquímicas |
| photochemical smog | niebla fotoquímica |
| Photochromism | Fotocromático |
| Photoconductive cells | Célula fotoconductora |
| photocopier | fotocopiadora |
| photocopy | copia |
| photodegradation | fotodegradación |
| Photodissociation | Fotólisis |
| Photoelasticity | Fotoelasticidad |
| photoelectric | fotoeléctrico |
| photoelectric cell | célula fotoeléctrica |
| Photoelectric cells | Célula fotoeléctrica |
| Photoelectric image tube | Tubo de imagen fotoeléctrico |
| Photoelectric instrument | Instrumento fotoeléctrico |
| Photoelectric magnitude | Magnitud fotoeléctrica |
| Photoelectric photometer | Fotometría fotoeléctrica |
| Photoelectric photometry | Fotometria fotoeléctrica |
| Photoelectrochemical cell | Célula fotoelectroquímica |
| Photoelectronic devices | Aparato fotoelectrón |
| photoengrave | fotograbar |
| photoengraving | fotograbado |
| Photogene | Queroseno |
| photogenic | fotogénico |
| photogrammetry | fotogrametría |
| photograph | asumir |
| photographer | fotógrafo |
| photographic | fotográfico |
| Photographic astrometry | Astrometría fotográfica |
| Photographic developer | Revelador fotográfico |
| Photographic filter | Filtro fotográfico |
| Photographic instrument | Instrumento fotográfico |
| Photographic magnitude | Magnitud fotográfica |
| Photographic materials | Material fotográfico |
| Photographic mosaic | Fotomosaico |
| Photographic photometry | Fotometria fotográfica |
| Photographic print toning | Curva |
| Photographic processing | Revelado fotográfico |
| Photographic studio | Estudio fotográfico |
| photographically | fotográficamente |
| photography | fotografía |
| photogravure | fotograbado |
| Photoheliograph | Fotoheliógrafo |
| Photoionization | Fotoionización |
| photolithography | fotolitografía |
| Photology | Óptica |
| photometer | fotómetro |
| Photometric element | Elemento fotométrico |
| Photometric system | Sistema fotométrico |
| photon | fotón |
| Photon counting system | Sistema de conteo de fotones |
| Photon mapping | Mapeado de fotones |
| photophobia | fotofobia |
| Photophore | Fotóforo |
| PhotoReading | PhotoReading |
| Photorealism | Fotorrealismo |
| Photoreceptor cell | Fotorreceptor |
| Photorefractive keratectomy | Cirugía refractiva |
| photosensitive | fotosensible |
| photosensitivity | fotosensibilidad |
| Photosphere | Fotosfera |
| photostat | fotocopia |
| photosynthesis | fotosíntesis |
| Phototroph | Fototrofia |
| Photovisual magnitude | Magnitud fotovisual |
| Photovoltaic cells | Célula fotoeléctrica |
| PHP | PHP |
| PHP Data Objects | PHP Data Objects |
| PHP Extension and Application Repository | PEAR |
| PHP Extension Community Library | PEAR |
| PhpMyAdmin | PhpMyAdmin |
| Phrack | Phrack |
| Phrae | Phrae |
| Phrae Province | Phrae |
| Phragmipedium | Phragmipedium |
| Phragmites | Phragmites |
