Singural and plural number in english grammar

Singular = Plural

BAG = Bags Chair = Chairs Desk = Desks Fighter = Fighters

Singular = Plural

Ass=Asses Batch=Batches Fish=Fishes Vertex=Vertexes

Singular = Plural

Arch=Archs Monarch=Monarchs Stomach=Stomachs

Singular = Plural

Lady=Ladies Duty=Duties Dairy=Dairies Body=Bodies

Singular = Plural

Key=Keys Essay=Essays Ray=Rays Play=Plays