Singular and plural nouns by changing the vowels (List)

  • Singular: Man / Plural: Men
  • Singular: Woman / Plural: Women
  • Singular: Tooth / Plural: Teeth
  • Singular: Goose / Plural: Geese
  • Singular: Mouse / Plural: Mice
  • Singular: Foot / Plural: Feet
  • Singular: Child / Plural: Children
  • Singular: Louse / Plural: Lice
  • Singular: Ox / Plural: Oxen
  • Singular: Brother / Plural: Brethren (Old usage)
  • Singular: Cow / Plural: Kine (Old usage)
  • Singular: Leaf / Plural: Leaves
  • Singular: Calf / Plural: Calves
  • Singular: Self / Plural: Selves
  • Singular: Knife / Plural: Knives
  • Singular: Wife / Plural: Wives
  • Singular: Life / Plural: Lives
  • Singular: Loaf / Plural: Loaves
  • Singular: Thief / Plural: Thieves
  • Singular: Half / Plural: Halves
  • Singular: Sheaf / Plural: Sheaves
  • Singular: Shelf / Plural: Shelves
  • Singular: Wolf / Plural: Wolves
  • Singular: Scarf / Plural: Scarves
  • Singular: Wharf / Plural: Wharves
  • Singular: Elf / Plural: Elves
  • Singular: Staff / Plural: Staves
  • Singular: Dwarf / Plural: Dwarves
  • Singular: Criterion / Plural: Criteria
  • Singular: Phenomenon / Plural: Phenomena
  • Singular: Bacterium / Plural: Bacteria
  • Singular: Datum / Plural: Data
  • Singular: Medium / Plural: Media
  • Singular: Stadium / Plural: Stadia
  • Singular: Curriculum / Plural: Curricula
  • Singular: Maxima / Plural: Maxima
  • Singular: Minima / Plural: Minima
  • Singular: Memorandum / Plural: Memoranda
  • Singular: Symbiosis / Plural: Symbioses
  • Singular: Diagnosis / Plural: Diagnoses
  • Singular: Oasis / Plural: Oases
  • Singular: Thesis / Plural: Theses
  • Singular: Crisis / Plural: Crises
  • Singular: Hypothesis / Plural: Hypotheses
  • Singular: Synopsis / Plural: Synopses
  • Singular: Analysis / Plural: Analyses
  • Singular: Parensis / Plural: Parentheses