net
trap
There are 4 distinguishable letters in the word fish, so there is 4! or 24 different ways can you arrange the letters in the word fish.
carp
Because 2 + 2 = 4 and there is 4 letters in fish.
A trap is a device for catching things.
You get fish letters from pressing (on a computer not a laptop) alt 4 2 6 one after another.
Pike is a fish species. It begins with P and contains 4 letters.
A fish Trap is something you would use in a fish Pond to catch the fish.
jack
Sole
fish or moth.