List of 36 Important Irregular Plural Nouns in English

Irregular Plural Nouns in English! Following are 36 important irregular plurals examples you should learn by heart to master your English grammar.

Irregular Plural Nouns| Rules

Words that end in “f”, you change the “f” to “ve” and add an “s.”

Irregular plural nouns that end in ves:

• knife => knives
• wolf => wolves
• elf => elves
• loaf => loaves
• calf => calves
• shelf => shelves
• loaf => loaves

Changing vowels, changing the word, or adding a different ending

• man => men
• foot => feet
• tooth => teeth
• louse => lice
• cactus => cacti
• goose => geese
• person => people
• mouse => mice
• appendix => appendices
• ox => oxen
• child => children

Keeping the same spelling as the singular form or by adding an s or es.

• quail => quail or quails
• cod => cod or cods
• fish => fish or fishes
• shrimp => shrimp or shrimps

Irregular Plural Nouns List

Learn a list of 36 irregular plural nouns in English.

• Ellipsis –> Ellipses
• Codex –> Codies
• Larva–> Larvae
• Alumna –> Alumnae
• Erratum –> Errata
• Ox –> Oxen
• Oasis –> Oases
• Swine –> Swine
• Trout –> Trout
• Genus –> Genera
• Diagnosis –> Diagnoses
• Analysis –> Analyses
• Man -> Men
• Person -> People
• Foot -> Feet
• Tooth -> Teeth
• Child -> Children
• Mouse -> Mice
• Sheep ->  Sheep
• Fish ->  Fish
• Leaf ->  Leaves
• Goose ->  Geese
• Woman ->  Women
• Aircraft ->  Aircraft
• Apex  ->  Apices
• Bison -> Bison
• Crisis ->  Crises
• Curriculum ->  Curricula
• Datum ->  Data
• Focus ->  Foci
• Series ->  Series
• Vita ->  Vitae
• Tuna ->  Tuna
• Quiz ->  Quizzes
• Index ->  Indices

Irregular Plurals | Image