Formación de palabras en inglés: prefijos, sufijos y más
Las palabras se construyen, no se inventan. El inglés tiene seis procesos principales de formación de palabras y, una vez que los comprendes, tu vocabulario se duplica de forma automática. Explora las categorías, busca cualquier patrón y observa cada proceso ilustrado con ejemplos reales.
48 items · 6 topics
"un- (unhappy)"
Adds the meaning "not" or reversal to a word
"She was unhappy with the result, so she undid all her work."
"re- (rewrite)"
Means "again" or "back" — repeating an action
"He had to rewrite the report after getting feedback."
"mis- (misunderstand)"
Means "wrongly" or "badly"
"I misunderstood the question and gave the wrong answer."
"pre- (preview)"
Means "before" in time or position
"We watched a preview of the film before its release."
"dis- (disagree)"
Negates or reverses the meaning of a word
"I completely disagree with that decision."
"over- (overestimate)"
Means "too much" or "above"
"She overestimated how long the journey would take."
"under- (underpay)"
Means "too little" or "below"
"Many workers are underpaid for the work they do."
"inter- (international)"
Means "between" or "among" groups
"International trade connects economies across the world."
"-tion / -sion (information)"
Forms nouns from verbs — the act or result of an action
"The information was clear and easy to understand."
"-ness (happiness)"
Forms nouns from adjectives — a state or quality
"Her happiness was visible to everyone in the room."
"-ful (beautiful)"
Forms adjectives meaning "full of" a quality
"The view from the mountain was truly beautiful."
"-less (careless)"
Forms adjectives meaning "without" something
"A careless mistake cost the team the match."
"-er / -or (teacher)"
Forms nouns meaning "a person who does something"
"The teacher explained the lesson very clearly."
"-able / -ible (readable)"
Forms adjectives meaning "capable of being done"
"The instructions were readable and well organised."
"-ly (quickly)"
Forms adverbs from adjectives — describes how something is done
"She spoke quickly so we had to listen carefully."
"-ment (enjoyment)"
Forms nouns from verbs — a process or result
"The enjoyment of reading grows with practice."
"sunflower (sun + flower)"
Two nouns combined to create a new noun
"She planted a row of sunflowers along the garden fence."
"notebook (note + book)"
Compound noun formed by joining two base words
"He wrote down every new word in his notebook."
"well-known (well + known)"
Compound adjective with a hyphen — modifies a noun
"She is a well-known author in academic circles."
"lookout (look + out)"
Compound noun formed from a verb and a particle
"The sailor kept a lookout for rocks near the coast."
"breakfast (break + fast)"
Historical compound where the original meaning is less obvious
"She never skips breakfast before an early shift."
"heartbeat (heart + beat)"
Compound noun where both parts contribute to the meaning
"The doctor listened carefully to the patient's heartbeat."
"eco-friendly (eco + friendly)"
Compound adjective combining a prefix-like element with an adjective
"They switched to eco-friendly packaging last year."
"software (soft + ware)"
Modern compound noun where meaning has become specialised
"Good software makes complex tasks much simpler."
"to email (noun → verb)"
A noun used directly as a verb without any change in form
"Please email me the report by Friday afternoon."
"a must (verb → noun)"
A verb used as a noun to describe an obligation or necessity
"A good dictionary is a must for language learners."
"to google (proper noun → verb)"
A brand name converted into an everyday verb
"If you're unsure, just google it."
"to text (noun → verb)"
The noun "text" repurposed as an action verb
"I'll text you when I arrive at the station."
"a download (verb → noun)"
The verb "download" used as a countable noun
"The download took only a few seconds on fast Wi-Fi."
"to water (noun → verb)"
The noun "water" functioning as a verb
"She waters her plants every morning before work."
"a try (verb → noun)"
The verb "try" used as a noun in informal speech
"It's worth giving it a try before you decide."
"to bottle (noun → verb)"
The noun "bottle" used as a verb meaning to put in bottles or suppress feelings
"He tended to bottle up his emotions rather than talk."
"app (application)"
Clipping — a word shortened by removing one or more syllables
"Download the app to track your daily vocabulary goals."
"NASA (acronym)"
Acronym — an abbreviation pronounced as a word
"NASA launched a new mission to study the Martian surface."
"BBC (initialism)"
Initialism — letters pronounced individually, not as a word
"The BBC broadcast the match live to millions of viewers."
"exam (examination)"
Clipping from the front — the start of the word is removed
"The final exam covers all units from the semester."
"flu (influenza)"
Back-clipping — the end of the word is dropped
"He stayed home for three days with a bad case of flu."
"ASAP (as soon as possible)"
Acronym used widely in written and spoken communication
"Please send the revised document ASAP."
"fridge (refrigerator)"
Clipping with a spelling change — very common in British English
"Put the leftovers in the fridge for tomorrow."
"sci-fi (science fiction)"
Blend abbreviation combining the start of two words
"She loves reading sci-fi novels set in distant galaxies."
"happy → happiness"
Adjective converted to noun via the suffix -ness
"True happiness comes from meaningful connections with others."
"teach → teacher"
Verb converted to noun via the agentive suffix -er
"A great teacher can inspire students for years to come."
"nation → national → nationalise"
Chain derivation — each step adds a new suffix to change word class
"The government decided to nationalise the rail network."
"child → childish"
Noun converted to adjective via the suffix -ish
"Stop being childish and discuss the problem calmly."
"clear → clearly → clarity"
Multiple derivations from the same root word
"Speak with clarity so your audience can follow easily."
"act → action → reactive"
Prefix and suffix together transform the original word
"A reactive approach often leads to poor long-term decisions."
"beauty → beautify"
Noun converted to verb via the suffix -ify
"They planted trees to beautify the town centre."
"real → realise → realisation"
Three-step derivation chain across three word classes
"The realisation that she had forgotten her keys came too late."
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 a partir de las ya existentes. Los seis procesos principales son la prefijación, la sufijación, la composición, la conversión (derivación cero), la abreviación y la derivación. Comprender estos patrones te ayuda a deducir el significado de palabras desconocidas y a ampliar tu vocabulario de forma sistemática.
¿Cuál es la diferencia entre un prefijo y un sufijo?
Un prefijo se añade al principio de una palabra para cambiar su significado; por ejemplo, "un-" en "unhappy". Un sufijo se añade al final de una palabra y a menudo cambia tanto el significado como la clase gramatical; por ejemplo, "-ness" convierte el adjetivo "happy" en el sustantivo "happiness". Ambos son tipos de afijos.
¿Qué es la conversión en la formación de palabras?
La conversión (también llamada derivación cero) ocurre cuando una palabra cambia su clase gramatical sin ningún cambio en la escritura ni en la pronunciación. Por ejemplo, "email" comenzó siendo un sustantivo, pero ahora también se usa como verbo ("I'll email you"). La conversión es muy productiva en el inglés moderno, especialmente en el vocabulario tecnológico.
¿En qué se diferencia la composición de la derivación?
La composición une dos o más palabras independientes para formar una nueva, como "sunflower" o "notebook". La derivación añade morfemas ligados (prefijos o sufijos) a una base para crear una nueva palabra, como añadir "-ness" a "happy". La composición combina raíces; la derivación añade elementos gramaticales.
¿Por qué es importante la formación de palabras para aprender vocabulario?
Aprender los patrones de formación de palabras es una de las estrategias de vocabulario más eficientes que existen. Cuando sabes que "-tion" forma sustantivos a partir de verbos, puedes descifrar cientos de palabras nuevas al instante. La investigación en adquisición de segundas lenguas demuestra de forma consistente que la conciencia morfológica acelera notablemente tanto la comprensión lectora como el crecimiento del vocabulario activo.
Observa la formación de palabras en acción: escucha a hablantes nativos y fíjate cómo los prefijos, sufijos y palabras compuestas aparecen en el habla natural.
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