"Εγώ έχω μια γάτα και ένα σκύλο."

Μετάφραση: I have a cat and a dog.

[Naylor1993]

What is the difference between 'σκύλο' and 'σκύλος'?

[ssurprize]

σκύλος is in the nominative case, σκύλο is in the accusative case.