Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Category: chocolate food 
Words: rich, chocolate, fudge, chocolate cake, unwarranted
unwarranted

Category: weather 
Words: equitable, fair, windy, cold, raining
equitable

Category: window material 
Words: handle, translucent fabric, spatula, spyhole, glass

spatula