[ابراهيم موسى]

Also here `re some interesting pieces of information concerning unusual plurals

Gender

Widower is the only word in the English language whose masculine form is longer than its feminine form, which is widow


Demirep is the only word in the English language which is made feminine by applying a prefix, rather than a suffix, to the masculine form, which is rep


The plural of man is men. The plural of woman is women. The plural of human is humans
.
The plural of foot is feet. The plural of goosefoot is goosefoots
.
The plural of moose is moose. The plural of goose is geese. The plural of mongoose is mongooses
.
The plural of mouse, the rodent, is mice. The plural of mouse, the computer hardware device, is mouses.
.