Formación de palabras en inglés: 48 patrones explicados
Entender cómo se construyen las palabras inglesas te da un superpoder: la capacidad de adivinar el significado de miles de palabras que nunca has visto antes. Esta guía cubre los seis procesos clave de formación de palabras — prefijos, sufijos nominales, adjetivales, verbales, compuestos y conversión — con ejemplos reales para cada patrón. Busca abajo o filtra por categoría.
48 items · 6 topics
"un-"
not; reverse the action (unhappy, undo, unclear)
"She felt unhappy after hearing the unexpected news."
"dis-"
not; opposite of (disagree, disappear, dishonest)
"I completely disagree with the decision they made."
"re-"
again; back (rebuild, return, reconsider)
"We need to reconsider our strategy after these results."
"pre-"
before (prepare, predict, preview)
"Please preview the document before sending it."
"over-"
too much; above (overwork, overcome, overestimate)
"She tends to overestimate how long tasks will take."
"mis-"
wrongly; incorrectly (misunderstand, mislead, misuse)
"He misunderstood the instructions and went the wrong way."
"inter-"
between; among (international, interact, interconnect)
"The two teams interact closely on every project."
"sub-"
under; below (subway, subtitle, submarine)
"Add subtitles so viewers can follow along easily."
"-tion / -sion"
forms nouns from verbs (education, permission, decision)
"Her decision to study abroad changed everything."
"-ment"
forms nouns showing a state or result (development, movement)
"The development of the project took two full years."
"-ness"
forms nouns from adjectives (happiness, darkness, kindness)
"The kindness of strangers surprised her deeply."
"-er / -or"
forms agent nouns — person doing sth (teacher, actor)
"The actor delivered a truly unforgettable performance."
"-ity"
forms abstract nouns from adjectives (creativity, ability)
"Her creativity made the campaign stand out completely."
"-ism"
forms nouns for doctrines or practices (journalism, realism)
"He studied journalism at the city university."
"-ist"
forms nouns for a person following a belief (artist, pianist)
"The pianist performed three Chopin nocturnes flawlessly."
"-ance / -ence"
forms nouns of state or quality (performance, confidence)
"Confidence is the key to a great job interview."
"-able / -ible"
capable of; worthy of (readable, flexible, reliable)
"This contract is not readable without legal training."
"-ful"
full of; having (helpful, powerful, colourful)
"Her helpful feedback improved the final draft significantly."
"-less"
without; lacking (careless, hopeless, wireless)
"He was careless with the details and the client noticed."
"-ous / -ious"
having the quality of (famous, mysterious, generous)
"The generous donation covered all the event costs."
"-al / -ical"
relating to (musical, logical, cultural, practical)
"Her practical approach saved the team a lot of time."
"-ive"
tending to; having a nature of (creative, active, sensitive)
"The creative director redesigned the whole brand identity."
"-ish"
somewhat; like (childish, greenish, selfish, stylish)
"She gave a stylish presentation that impressed everyone."
"-y"
having the quality of (cloudy, windy, tricky, noisy)
"The noisy café made it hard to concentrate on work."
"-ise / -ize"
to make; to cause to become (organise, modernise)
"We need to modernise the system before the launch."
"-en"
to make more; to become (strengthen, brighten, widen)
"Regular practice will strengthen your speaking skills."
"-ify / -fy"
to make; to cause to be (simplify, clarify, classify)
"Could you clarify what you meant in the second paragraph?"
"-ate"
to act or cause (communicate, generate, motivate)
"Great leaders know how to motivate their entire team."
"-en (causative)"
to make something happen (darken, weaken, loosen)
"The bad news seemed to darken the mood in the room."
"-ify (intensify)"
to make more intense (intensify, diversify, amplify)
"Adding music helped amplify the emotional impact."
"-ise (socialise)"
to engage in an activity (socialise, advertise, supervise)
"She loves to socialise after work with her colleagues."
"-ate (originate)"
to produce or begin (originate, innovate, evaluate)
"The idea originated from a simple customer complaint."
"sunflower"
closed compound noun: sun + flower
"The sunflower turned its head slowly toward the afternoon light."
"well-known"
hyphenated compound adjective: well + known
"She is a well-known author in the field of linguistics."
"swimming pool"
open compound noun: two separate words
"The hotel swimming pool was open until midnight."
"break-through"
hyphenated compound: a major discovery or achievement
"The research team announced a breakthrough in battery technology."
"heartbeat"
closed compound: the rhythm of the heart
"His heartbeat quickened as he opened the envelope."
"high-tech"
hyphenated compound adjective: advanced technology
"The factory uses high-tech robotics on the assembly line."
"workforce"
closed compound: the total body of workers
"The company is planning to expand its workforce this year."
"self-esteem"
hyphenated compound: confidence in oneself
"Praise from a mentor can greatly boost a student's self-esteem."
"to google (verb)"
conversion: noun Google → verb meaning to search online
"Just google it — you'll find the answer in seconds."
"a must (noun)"
conversion: modal must → noun meaning something essential
"A good dictionary is a must for any serious language learner."
"blended: brunch"
blend of breakfast + lunch
"We went for a long, lazy brunch on Sunday morning."
"blended: smog"
blend of smoke + fog
"The city was covered in a thick smog all week."
"clipping: exam"
clipped from examination
"The exam results will be published on Friday morning."
"clipping: ad"
clipped from advertisement
"The ad campaign went viral within the first 24 hours."
"acronym: NASA"
National Aeronautics and Space Administration
"NASA announced a new mission to the outer planets."
"acronym: laser"
Light Amplification by Stimulated Emission of Radiation
"The surgeon used a laser to correct her vision precisely."
Preguntas frecuentes
¿Qué es la formación de palabras en inglés?
La formación de palabras se refiere a los procesos mediante los cuales se crean nuevas palabras en inglés. Los principales son la afijación (añadir prefijos y sufijos), la composición (unir dos palabras), la conversión (cambiar la clase gramatical sin añadir afijo) y procesos especiales como la combinación, la abreviación y los acrónimos.
¿Por qué es importante aprender la formación de palabras?
Conocer las reglas de formación de palabras te permite descifrar vocabulario desconocido, ampliar tu vocabulario activo mucho más rápido y sonar más natural. Por ejemplo, una vez que sabes que -tion crea sustantivos, puedes reconocer que "organisation", "communication" y "motivation" son todos sustantivos derivados de verbos.
¿Cuál es la diferencia entre un prefijo y un sufijo?
Un prefijo se añade al principio de una palabra (un- en "unhappy"), mientras que un sufijo se añade al final (-ness en "happiness"). Los prefijos generalmente cambian el significado de una palabra sin cambiar su clase gramatical, mientras que los sufijos a menudo cambian la clase — por ejemplo, convirtiendo un verbo en un sustantivo.
¿Cuáles son los prefijos más útiles para aprender primero?
Empieza por los más comunes: un-, re-, dis- y pre-. Juntos aparecen en miles de palabras inglesas cotidianas. Una vez que los reconozcas, pasa a over-, mis-, inter- y sub-, que son muy frecuentes en el inglés académico y profesional.
¿Se evalúa la formación de palabras en exámenes como IELTS o Cambridge?
Sí — la formación de palabras es un tipo de tarea dedicada en los exámenes Cambridge (B2 First, C1 Advanced) donde debes completar un espacio usando la forma correcta de una palabra dada. También aparece indirectamente en las tareas de lectura y escritura del IELTS. Entender las familias de palabras y los afijos comunes mejorará significativamente tu puntuación.
Escuchar los patrones de formación de palabras en el habla real es la forma más rápida de fijarlos.
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