In English there is a group of nouns with the same singular and plural forms. Here it is a list with some examples of such nouns.
Singular = Plural:
- bison
- deer
- greenfly
- grouse
- moose
- reindeer
- sheep
- cod
- fish
- goldfish
- halibut
- mullet
- salmon
- shellfish
- trout
- whitebait
- aircraft
- hovercraft
- spacecraft
- crossroads
- dice
- fruit
- gallows
- grapefruit
- insignia
- mews
- offspring
- series
- species
- bourgeois
- chassis
- corps
- patois
- precis
- rendezvous
- means
