dry corns

[theol]

I am a hamster. I like to eat hamster pellets and dry corn.
I am a hamster. I like to eat hamster pellets and dry corns.
I am a hamster. I like to eat hamster pellets and dried corn.
I am a hamster. I like to eat hamster pellets and dried corns.

Which one is correct?

 

[Rover_KE]

1 and 3 (if you had helpfully numbered them).

 

[Skrej]

Note that 'corn' (as a vegetable) is a non-count noun, so it can't be made plural. That's your problem with #2 and #4.

However, the corns (calluses) we sometimes get on our feet are countable, if you happen to have more than one.

 

[probus]

If you have only one is it a unicorn?