Hello Hangman game problam want to add a system

Question

I am trying to create Hangman game for my country and I have randomed words to be appeared and it's working correctly. so the game is working, but I want to add now HINTS, for example if word is "School" randomed, i want hint to be "the place where you learn" and I don't know how to do that. Please helpme out here is my JS code :