Most Confusing Singular Plural Nouns

Confusing singular plural nouns

Singular ------------------------------Plural

1. Agendum ---------Agenda

2. Alumnus -------------Alumni

3. Appendix------------ Appendices

4. Axis ------------------Axes

5. Bandit-----------------Bandits/Banditti

6. Basis------------------Bases

7. Bureau----------------Bureaus/ Bureaux

8. Cherub----------------Cherubs/ Cherubim

9. Criterion-------------Criteria

10. Datum----------------Data

11. Erratum--------------Errata

12. Formula--------------Formulas/ Formulae

13. Focus-----------------Foci

14. Genus-----------------Genera

15. Hippopotamus-------Hippopotami

16. Locus------------------Locuses/ Loci

17. Medium---------------Media

18. Memorandum---------Memoranda

19. Phenomenon----------Phenomena

20. Oasis-------------------Oases

21. Referendum-----------Referenda

22. Hypothesis-------------Hypotheses

23. Genius------------------Genii/ Geniuses

24. Index--------------------Indexes/ Indices

25. Analysis----------------Analyses

26. Vertex------------------Vertices

27. Terminus---------------Termini/ Terminuses

28. Seraph--------------------Seraphim

29. Diagnosis ---------------Diagnoses

30. Parenthesis ---------------Parentheses

31. Synopsis ------------------Synopses

32. Thesis ----------------------Theses

33. Stimulus -------------------Stimuli

34. Syllabus -------------------Syllabi/ Syllabuses

35. Terminus -------------------Termini/ Terminuses

36. Adieu ----------------------Adieux/ Adieus

37. Bandeau -------------------Bandeaux

38. Flambeau ---------------Flambeaux/Flambeaus

39. Milieu ----------------------Milieux

40. Plateau ---------------------Plateaux/Plateaus

41. Alumina -------------------Alumnae

42. Dogma ---------------------Dogmas

43. Exanthema -----------------Exanthemata

45..Vertebra --------------------Vertebrae

46. Index ------------------------Indices/ Indexes

47. Radix -----------------------Radices

48. Vertex ----------------------Vertices/ Vertexes

49. Cherub ---------------------Cherubim/ Cherubs

50. Seraph ---------------------Seraphim/ Seraphs

51. Madam --------------------Mesdames

52. Addendum ---------------Addenda

53. Aquarium -----------------Aquaria/ Aquariums

54. Bacterium -----------------Bacteria

55. Corrigendum -------------Corrigenda

56.Cranium ------------------Crania/ Craniums

57. Curriculum ---------------Curricula

58. Dictum --------------------Dicta

59. Effluvium -----------------Effluvia

60. Encomium ----------------Encomia/Encomiums

61. Epithalamium ---Epithalamia/Epithalamiums

62. Exemplum -----------------Exempla

63. Exordium -----------------Exordia/Exordiums

64. Flagellum -----------------Flagella/Flagellums

65. Fulcrum -------------------Fulcra/Fulcrums

66. Gymnasium --------------Gymnasia/ Gymnasiums

67. Hilum ------------------- --Hila 

68. Hypogastrium ------------Hypogastria

69. Idolum ---------------------Idola

70. Symposium --------------Symposia