What is the plural form of dollar?
Dollars
What is the plural form of city?
Cities
What is the plural form of cow?
Cows
What is the plural form of picnic?
Picnics
What is the plural form of watch?
Watches
What is the plural form of nationality?
Nationalities
What is the plural form of cup?
Cups
What is the plural form of sandwich?
Sandwiches
What is the plural form of river?
Rivers