Irregular Plural Nouns in English! An irregular plural noun is an irregular noun in the plural form. An irregular noun is a noun that becomes plural by changing its spelling in other ways than adding an “s” or “es” to the end of the word. Following are 36 irregular plurals examples for you to master your English grammar.
Irregular Plural Nouns| Rules
Some irregular nouns take on the plural form by first changing the last letter of the word before adding “s.” Words that end in “f” are a good example of this case. To make such a word plural, you change the “f” to “ve” and add an “s.”
Irregular plural nouns that end in ves:
- More than one elf = elves
- More than one calf = calves
- More than one knife = knives
- More than one loaf = loaves
- More than one shelf = shelves
- More than one wolf = wolves
- More than one loaf = loaves
Irregular nouns made plural by changing vowels, changing the word, or adding a different ending:
- More than one man = men
- More than one person = people
- More than one mouse = mice
- More than one child = children
- More than one foot = feet
- More than one goose = geese
- More than one tooth = teeth
- More than one louse = lice
- More than one cactus = cacti
- More than one appendix = appendices
- More than one ox =oxen
Some irregular plural nouns have the same spelling as their singular form such as scissors, pants, bison, deer, and sheep.And then some animal nouns become plural by keeping the same spelling as the singular form or by adding an s or es.
- More than one cod = cod or cods
- More than one shrimp = shrimp or shrimps
- More than one fish = fish or fishes
- More than one quail = quail or quails
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
goy goyim
Leaf is not irregular like the others in the list; it belongs to the “f” “Fe” group of words, like wife, knife, shelf, thief
fast simple
Both the list and the picture have repeated the item “Focus -> Foci”