A __ Bullet Is the Only Way to Kill a Werewolf

This page is the CodyCross answer for the clue below from Spa Time, Group 805, Puzzle 4 (Alternative Medicine).

Question is: A __ Bullet Is the Only Way to Kill a Werewolf

and the answer is: SILVER

Word Meaning:

SILVER — (uncountable) A lustrous, white, metallic element, atomic number 47, atomic weight 107.87, symbol Ag.

Definitions from Wiktionary.

A __ bullet is the only way to kill a werewolf — CodyCross Answer | CodyCross Solutions