50 Irregular Plural Nouns

1. Man - Men
2. Woman - Women
3. Child - Children
4. Tooth - Teeth
5. Foot - Feet
6. Goose - Geese
7. Mouse - Mice
8. Louse - Lice
9. Person - People
10. Criterion - Criteria
11. Phenomenon - Phenomena
12. Bacterium - Bacteria
13. Fungus - Fungi
14. Cactus - Cacti
15. Focus - Foci
16. Alumnus - Alumni
17. Nucleus - Nuclei
18. Thesis - Theses
19. Appendix - Appendices
20. Index - Indices
21. Syllabus - Syllabi
22. Radius - Radii
23. Vertex - Vertices
24. Analysis - Analyses
25. Datum - Data
26. Medium - Media
27. Crisis - Crises
28. Curriculum - Curricula
29. Deer - Deer
30. Fish - Fish (when referring to multiple fish of the same species)
31. Sheep - Sheep
32. Moose - Moose
33. Series - Series
34. Species - Species
35. Aircraft - Aircraft
36. Equipment - Equipment
37. Furniture - Furniture
38. Information - Information
39. Luggage - Luggage
40. Advice - Advice
41. Knowledge - Knowledge
42. Money - Money
43. News - News
44. Work - Work
45. Research - Research
46. Traffic - Traffic
47. Clothing - Clothing
48. Poetry - Poetry
49. Pants - Pants
50. Scissors - Scissors

Comprehension Check: Irregular Plural Nouns

Instructions: Read each sentence carefully. Identify the singular noun in each sentence and write its irregular plural form in the blank provided.

1. The __________ flew south for the winter.
2. My aunt saw two __________ on her hike in the Rockies.
3. We visited a museum with many ancient __________.
4. The forest is home to several species of __________.
5. The Inuit people live in communities called __________.
6. The biologist studied the behavior of the arctic __________.
7. Maple __________ are a popular treat during Canada Day celebrations.
8. The library has many books about Canadian __________.
9. There were three __________ swimming in the lake.
10. My grandmother told me stories about her childhood __________.

Ready to See the Answers?

1. geese
2. moose
3. artifacts
4. species
5. settlements
6. fox
7. leaves
8. history
9. fish
10. memories