Exploring 30 Irregular Plural Nouns in English

30 Irregular Plural Nouns in English

In English, most plural nouns are formed by adding “-s” or “-es” to the singular form, like “book” becoming “books.” However, there are some nouns that don’t follow this pattern and have their own special rules. These are called irregular plural nouns. In this exploration, we’ll look at 30 examples of irregular plural nouns in English, which will help us understand how they’re different and why they’re interesting.

Here’s a list of 30 irregular plural nouns in English:

  1. Man – Men
  2. Woman – Women
  3. Child – Children
  4. Tooth – Teeth
  5. Foot – Feet
  6. Mouse – Mice
  7. Goose – Geese
  8. Ox – Oxen
  9. Leaf – Leaves
  10. Fish – Fish (same form for singular and plural)
  11. Sheep – Sheep (same form for singular and plural)
  12. Deer – Deer (same form for singular and plural)
  13. Cactus – Cacti
  14. Focus – Foci
  15. Index – Indices
  16. Crisis – Crises
  17. Datum – Data
  18. Appendix – Appendices
  19. Person – People
  20. Child – Children
  21. Louse – Lice
  22. Mouse – Mice
  23. Tooth – Teeth
  24. Goose – Geese
  25. Criterion – Criteria
  26. Bacterium – Bacteria
  27. Phenomenon – Phenomena
  28. Medium – Media
  29. Curriculum – Curricula
  30. Alumnus – Alumni

Studying irregular plural nouns helps us see that English can be a bit tricky, but also fun to learn. We’ve discovered that words like “man” become “men” and “fish” stay the same in both singular and plural. These special plurals show us that English has its own surprises and unique ways of forming words. By understanding irregular plurals, we can expand our vocabulary and appreciate the diversity of the English language.

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