Some nouns have same singular and plural forms or have plural ending (-s) – List

  • Sheep: The word 'sheep' is the same in both singular and plural forms.
  • Deer: The plural of 'deer' is still 'deer'.
  • Fish: Although 'fishes' can be used, 'fish' is more commonly used for both singular and plural.
  • Species: This noun has the same singular and plural form.
  • Aircraft: The plural of 'aircraft' is still 'aircraft'.
  • Swine: The plural of 'swine' is 'swine' as well.
  • Moose: The plural of 'moose' remains 'moose'.
  • Salmon: The plural of 'salmon' is still 'salmon'.
  • Shrimp: The plural of 'shrimp' is both 'shrimps' and 'shrimp'.
  • Plankton: The plural of 'plankton' remains 'plankton'.
  • Headquarters: The word 'headquarters' is used for both singular and plural instances.
  • News: Even though 'news' ends with '-s', it's usually a singular noun.
  • Scissors: This word is always used in plural form even for a single item because it has two parts.
  • Pliers: Similar to 'scissors', 'pliers' is also typically used in its plural form.
  • Shorts: This item of clothing is said as 'shorts' in both singular and plural.
  • Barracks: The plural of 'barracks' is 'barracks'.
  • Luggage: This noun doesn't have a plural form, it always remains 'luggage'.
  • Measles: This disease's name has '-s' at the end but it's a singular noun.
  • Mumps: Similar to 'measles', 'mumps' is also a singular noun.
  • Alms: The plural of 'alms' is 'alms'.
  • Species: The plural of 'species' is 'species'.
  • Offspring: The plural of 'offspring' is 'offspring'.
  • Series: The plural of 'series' remains 'series'.
  • Chassis: The plural of 'chassis' is 'chassis'.
  • Trout: The plural of 'trout' is 'trout'.
  • Tuna: The plural of 'tuna' is 'tuna'.
  • Squid: The plural of 'squid' can be 'squid' or 'squids'.
  • Bison: The plural of 'bison' is 'bison'.
  • Buffalo: The plural of 'buffalo' can be 'buffalo' or 'buffaloes'.
  • Dwarf: The plural of 'dwarf' can be 'dwarfs' or 'dwarves'.
  • Elf: The plural of 'elf' can be 'elfs' or 'elves'.
  • Quiz: The plural of 'quiz' is 'quizzes'.
  • Bus: The plural of 'bus' is 'buses'.
  • Box: The plural of 'box' is 'boxes'.
  • Matrix: The plural of 'matrix' is 'matrices'.
  • Index: The plural of 'index' is 'indices' or 'indexes'.
  • Basis: The plural of 'basis' is 'bases'.
  • Kiss: The plural of 'kiss' is 'kisses'.
  • Wish: The plural of 'wish' is 'wishes'.
  • Foot: The plural of 'foot' is 'feet'.
  • Tooth: The plural of 'tooth' is 'teeth'.
  • Mouse: The plural of 'mouse' is 'mice'.
  • Goose: The plural of 'goose' is 'geese'.
  • Child: The plural of 'child' is 'children'.
  • Man: The plural of 'man' is 'men'.
  • Woman: The plural of 'woman' is 'women'.
  • Cactus: The plural of 'cactus' can be 'cactuses' or 'cacti'.
  • Octopus: The plural of 'octopus' can be 'octopuses' or 'octopi'.
  • Radix: The plural of 'radix' is 'radices'.
  • Crisis: The plural of 'crisis' is 'crises'.