Updated on March 10, 2025
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Sustantivos plurales irregulares en inglés

Ejercicios, Ejemplos y Lista de Sustantivos Irregulares en Plural Mientras que muchos sustantivos siguen una regla simple (agregar -s o -es), algunos tienen formas de plural irregulares. Estas formas no siguen patrones típicos, lo que las hace más difíciles de aprender.

Ejercicios de Sustantivos Irregulares en Plural

Estos ejercicios se enfocan en los sustantivos irregulares en plural.

¿Qué son los sustantivos irregulares en plural?

Los sustantivos irregulares en plural son palabras que cambian de forma cuando se convierten en plural. A diferencia de los sustantivos regulares, no puedes simplemente agregar -s o -es. En su lugar, la palabra cambia de manera única o incluso puede mantenerse igual.

Por ejemplo:

Child → Children
Foot → Feet
Deer → Deer (sin cambio)

Illustration of Sustantivos plurales irregulares en inglés

Lista de los 100 sustantivos irregulares más comunes en inglés

Aquí tienes una tabla con algunos de los sustantivos irregulares más usados:

Palabra

Forma Plural

Ejemplo

Addendum

Addenda, Addendums

The document has two important addenda.

Aircraft

Aircraft

The hangar is full of military aircraft.

Alumna

Alumnae

The alumnae of the university gathered for an event.

Alumnus

Alumni

Many alumni attended the school’s anniversary.

Analysis

Analyses

His analyses of the data were very detailed.

Antenna

Antennae, Antennas

The car has two antennas for better reception.

Antithesis

Antitheses

The two ideas are direct antitheses of each other.

Apex

Apices, Apexes

They reached the apices of the mountain.

Appendix

Appendices, Appendixes

The book includes several appendices.

Axis

Axes

The Earth rotates on its axes.

Bacterium

Bacteria

Some bacteria are beneficial to humans.

Basis

Bases

The team worked from strong theoretical bases.

Bison

Bison

A herd of bison grazed in the field.

Bureau

Bureaux, Bureaus

The government established new bureaux for efficiency.

Cactus

Cacti, Cactuses

Cacti thrive in arid environments.

Child

Children

The children are playing soccer in the yard.

Codex

Codices

Ancient codices were stored in the library.

Concerto

Concerti, Concertos

The orchestra performed several famous concertos.

Corpus

Corpora

The corpora of ancient texts were digitized.

Crisis

Crises

Several crises arose during the project’s timeline.

Criterion

Criteria, Criterions

The criteria for the award were very strict.

Datum

Data

The data shows a significant increase in sales.

Deer

Deer, Deers

A group of deer was seen near the forest.

Diagnosis

Diagnoses

The doctor provided several diagnoses for the symptoms.

Die

Dice, Dies

He rolled the dice to start the game.

Dwarf

Dwarves, Dwarfs

The fantasy story featured a clan of dwarves.

Foot

Feet

His feet were tired after walking all day.

Formula

Formulae, Formulas

The scientist explained the formulae for the experiment.

Fungus

Fungi, Funguses

Fungi grow in damp and dark environments.

Goose

Geese

A flock of geese flew across the sky.

Index

Indices, Indexes

The book includes both subject and author indices.

Larva

Larvae, Larvas

Larvae eventually turn into butterflies.

Loaf

Loaves

He bought two loaves of bread from the bakery.

Man

Men

The men worked together on the project.

Medium

Media, Mediums

Digital media have transformed how we communicate.

Memorandum

Memoranda, Memorandums

The manager distributed memoranda to the team.

Mouse

Mice

The mice nibbled on the crumbs under the table.

Oasis

Oases

The travelers rested at several oases along the route.

Offspring

Offspring, Offsprings

The animal’s offspring were healthy and strong.

Ox

Oxen, Ox

The farmer used two oxen to pull the plow.

Phenomenon

Phenomena, Phenomenons

Natural phenomena like auroras are fascinating.

Quiz

Quizzes

We had to take two quizzes this week.

Radius

Radii, Radiuses

The circle’s radii were measured accurately.

Referendum

Referenda, Referendums

Two referenda were held to decide the issue.

Salmon

Salmon, Salmons

He caught three large salmon in the river.

Self

Selves

They learned to express their true selves.

Series

Series

The TV series was very popular among young people.

Sheep

Sheep

The shepherd watched over his sheep carefully.

Shrimp

Shrimp, Shrimps

We ordered a plate of shrimp for dinner.

Species

Species

This species of bird is endangered.

Stimulus

Stimuli

Bright lights can serve as stimuli for certain reactions.

Thesis

Theses

The graduate students presented their theses.

Tooth

Teeth

Her teeth are perfectly straight after braces.

Woman

Women

The women in the community worked together to organize the event.

Reglas para los sustantivos irregulares en plural

Aquí hay algunos patrones comunes:

Sustantivo Singular

Sustantivo Plural

Regla

Child

Children

Cambia completamente la palabra

Man

Men

Cambia el sonido de la vocal (a → e)

Tooth

Teeth

Cambia la vocal (oo → ee)

Sheep

Sheep

No cambia

Cactus

Cacti

Cambia la terminación (-us → -i)

Person

People

Forma plural completamente diferente

Errores comunes con los sustantivos irregulares en plural

🚫 Agregar -s a los sustantivos irregulares
❌ Childs en lugar de Children

🚫 Usar la forma plural incorrecta
❌ Mans en lugar de Men

🚫 Olvidar que algunos sustantivos no cambian
❌ Sheeps en lugar de Sheep

FAQ

¿Qué son los sustantivos irregulares en plural?

Son sustantivos que no siguen la regla común de agregar -s o -es para formar el plural. En su lugar, cambian de forma o permanecen igual.

¿Cómo puedo recordar los sustantivos irregulares?

Es importante practicarlos con frecuencia, usar tarjetas de memoria y aprender los patrones más comunes.

¿Existen reglas fáciles para los sustantivos irregulares?

No hay una sola regla que aplique a todos, pero algunos patrones (como man → men) pueden ayudar a recordarlos.

¿Por qué algunos sustantivos no cambian en plural?

Palabras como sheep o deer provienen del inglés antiguo y nunca han cambiado de forma en plural.

¿Son comunes los sustantivos irregulares?

Sí, son muy comunes en el inglés cotidiano, por lo que aprenderlos es fundamental para mejorar la fluidez en el idioma.

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