The fusilli are so called because they take their name from the "spindle", an instrument that was used for hand spinning. The thread was, in fact, twisted around the knitting iron and the shape it assumed is very reminiscent of this type of dough. And in Italian rifle Is fucile

The italian word for rifle is Fucile, Fusil is french.

And it has a different etymology than the english word.

The italian name comes from the word “focile” which referred to the flintlock system firearms used to have and it extended to be the generic name of the weapon family

The Italian word is fucile, fusil might be french but what you have in mind is the word for “fucile” in veneto (a regional north-eastern dialect).