The plural of mongoose is mongeese.
Mongooses. They bear no relationship to the bird, goose, and have different language origins.
It's mongeese... GO CANADA... YAAAY
The plural of mongoose is mongeese. 1 mongoose 2 mongeese 3 mongeesesThat last bit is a joke. There is no such word as mongeeses
Unlike the word goose, the form does not change - it is mongooses.