Basic Level
- Cat → Cats
- Dog → Dogs
- Book → Books
- Table → Tables
- Chair → Chairs
- Apple → Apples
- Car → Cars
- Tree → Trees
- House → Houses
- Flower → Flowers
- Ball → Balls
- Pencil → Pencils
- Toy → Toys
- Bird → Birds
- Cup → Cups
- Hat → Hats
- Pen → Pens
- Phone → Phones
- Bag → Bags
- Bottle → Bottles
Start Quiz 1
Advanced Level
Irregular Plural Forms
- Man → Men
- Woman → Women
- Child → Children
- Person → People
- Tooth → Teeth
- Foot → Feet
- Mouse → Mice
- Louse → Lice
- Goose → Geese
- Ox → Oxen
Start Quiz 2
Singular nouns that end with “f” end with “ves” in their plural form after removing “f”.
- Leaf → Leaves
- Wolf → Wolves
- Knife → Knives
- Life → Lives
- Shelf → Shelves
- Half → Halves
- Calf → Calves
- Thief → Thieves
- Wife → Wives
- Loaf → Loaves
Start Quiz 3
Singular and Plural the Same
The following nouns have their singular and plural forms are the same. However, some people add “s” or “es” with some of them (example: buffalo or buffaloes).
- Sheep → Sheep
- Deer → Deer
- Fish → Fish (or Fishes for different species)
- Moose → Moose
- Bison → Bison
- Salmon → Salmon
- Aircraft → Aircraft
- Swine → Swine
- Barracks → Barracks
- Series → Series
- Species → Species
- Series → Series
- Trout → Trout
- Cod → Cod
- Squid → Squid
- Buffalo → Buffalo
- Elk → Elk
- Carp → Carp
- Pike → Pike
- Shrimp → Shrimp
- Spacecraft → Spacecraft
- Hovercraft → Hovercraft
- Watercraft → Watercraft
- Chinese → Chinese
- Japanese → Japanese
- Portuguese → Portuguese
- Swiss → Swiss
- Vietnamese → Vietnamese
- Sioux → Sioux
- Cherokee → Cherokee
- Cattle → Cattle
- Mongoose → Mongoose
- Zebra → Zebra
- Gazelle → Gazelle
- Antelope → Antelope
- Quail → Quail
- Haddock → Haddock
- Halibut → Halibut
- Tuna → Tuna
- Mackerel → Mackerel
- Swordfish → Swordfish
- Ray → Ray / Rays
- Goldfish → Goldfish
- Bass → Bass
- Sardine → Sardine
- Dolphin → Dolphin
- Starfish → Starfish
- Chassis → Chassis
- Works → Works
- Means → Means
Students up to class 12 can stop here. Study well and complete your preparation for the Saturday Exam that starts at 11.30 am.
Expert Level
Latin & Greek-Origin Plurals
- Cactus → Cacti (or Cactuses)
- Fungus → Fungi
- Nucleus → Nuclei
- Radius → Radii
- Stimulus → Stimuli
- Thesis → Theses
- Analysis → Analyses
- Diagnosis → Diagnoses
- Crisis → Crises
- Oasis → Oases
- Appendix → Appendices (or Appendixes)
- Index → Indices (or Indexes)
- Vertex → Vertices
- Matrix → Matrices
- Vortex → Vortices
- Codex → Codices
- Corpus → Corpora
- Genus → Genera
- Stratum → Strata
- Datum → Data
Foreign-Origin Plurals
- Medium → Media
- Bacterium → Bacteria
- Aquarium → Aquaria (or Aquariums)
- Curriculum → Curricula
- Forum → Fora (or Forums)
- Sanctum → Sancta
- Cherub → Cherubim
- Seraph → Seraphim
- Symposium → Symposia
- Papyrus → Papyri
More Unique Irregular Plurals
- Chateau → Châteaux (or Chateaus)
- Tableau → Tableaux
- Beau → Beaux (or Beaus)
- Madame → Mesdames
- Monsieur → Messieurs
- Bureau → Bureaux (or Bureaus)
- Governor General → Governors General
- Attorney General → Attorneys General
- Passerby → Passersby
- Mother-in-law → Mothers-in-law
Scientific and Mathematical Plurals
- Formula → Formulae (or Formulas)
- Stigma → Stigmata (or Stigmas)
- Schema → Schemata (or Schemas)
- Lexicon → Lexica (or Lexicons)
- Agenda → Agendas
- Gymnasium → Gymnasia (or Gymnasiums)
- Larva → Larvae
- Nebula → Nebulae
- Vertebra → Vertebrae
- Alga → Algae
Complex Plural Rules
- Ellipsis → Ellipses
- Thesis → Theses
- Hypothesis → Hypotheses
- Synthesis → Syntheses
- Parenthesis → Parentheses
- Phenomenon → Phenomena
- Criterion → Criteria
- Memo → Memos
- Erratum → Errata
- Automaton → Automata (or Automatons)
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