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

Category: chocolate food 
Words: cake, fudge, rich, invent, cream
invent

Category: fried food 
Words: fritter, waste away, blueberry, doughnut, pastry

waste away