100 Examples of Singular and Plural

1. Aircraft-aircraft
2. Alga- Algae
3. Alumna- Alumnae
4. Analysis- Analyses
5. Antenna- Antennae
6. Apex-Apexes
7. Appendix-Appendices
8. Aquarium-Aquaria
9. Attorney general- Attorneys General
10. Automation- Automata
11. Axis- Axes
12. Bacillus-Bacilli
13. Bacterium –Bacteria
14. Bamboo-Bamboos
15. Basis- Bases
16. Book cases-Book cases
17. Brother in law- Brothers in Law
18. Cactus-Cacti
19. Calf- Calves
20. Chief-Chiefs
21. Child-Children
22. City-Cities
23. Cliff-Cliffs
24. Consortium- Consortia
25. Crisis-Crises
26. Criterion-Criteria
27. Criterion-Criteria
28. Datum-Data
29. Deer- Deer
30. Diagnosis-Diagnoses
31. Diary-Diaries
32. Dwarf-Dwarves
33. Dynamo-Dynamos
34. Echo-Echoes
35. Equilibrium-Equilibria
36. Erratum-Errata
37. Fly-Flies
38. Focus-Foci
39. Folio-Folios
40. Foot-Feet
41. Formula-Formulae
42. Genius- Geniuses
43. Genus-Genera
44. Giraffe-Giraffes
45. Goose-Geese
46. Hero-Heroes
47. Hoof-Hoofs
48. Index- Indices
49. Knife-Knives
50. Lady-Ladies
51. Larva-Larvae
52. Life-Lives
53. Loaf-Loaves
54. Louse-Lice
55. Maidservant-Maidservants
56. Maneater-Maneaters
57. Manservant-Menservants
58. Medium-Media
59. Memo-Memos
60. Mouse-Mice
61. Nebula-Nebulae
62. Negro-Negroes
63. Nucleus-Nuclei
64. Oasis- Oases
65. Ovum-Ova
66. Ox-Oxen
67. Phenomenon-Phenomena
68. Phylum-Phyla
69. Piano-Pianos
70. Plateau- Plateaux
71. Pupa-Pupae
72. Radio-Radios
73. Radius-Radii
74. Rhinoceros-Rhinoceroses
75. Safe-Safes
76. Series-Series
77. Series-Series
78. Serum-Sera
79. Sheep-Sheep
80. Shelf-Shelves
81. Son-in-law –Sons -in Law
82. Stand- in- Stand-ins
83. Stimulus-Stimuli
84. Storey-Storeys
85. Story-Stories
86. Stratum- Strata
87. Syllabus- Syllabi
88. Tea-Teas
89. Theory- Theories
90. Thesis- Theses
91. Thief-Thieves
92. Tomato-Tomatoes
93. Tooth-Teeth
94. Video-Videoes
95. Volcano-Volcanoes
96. Wife- Wives
97. Wolf-Wolves
98. Woman driver-Women drivers
99. Yourself-Yourselves
100. Zero-Zeroes