What

che

(beginning an exclamation)

quanto

(beginning an exclamation)

cosa

(expression of surprise)

che

(what? (interrogative pronoun))

che cosa

(what? (interrogative pronoun))

ciò che

(fused relative pronoun: that which; those that; the thing(s) that)

cosa

(what? (interrogative pronoun))

cosa

(fused relative pronoun: that which; those that; the thing(s) that)

quel che

(fused relative pronoun: that which; those that; the thing(s) that)

quello che

(fused relative pronoun: that which; those that; the thing(s) that)