Plurali

• Fish
• Deer
• Sheep
• Bison
• Swine
• Mongoose
• Thunder
• Aircraft
• Moose

The plural of mouse, the rodent, is mice. The plural of mouse, the computer hardware is mouses.

• Alms,
• Amends
• Doldrums
• Ides
• Pliers
• Scissors
• Shorts
• Trousers