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: physical property 
Words: protein, pasty, fat, thin, angular momentum
protein

Category: aesthetic characteristic 
Words: variety, fair, alright, pale, flaxen
alright

Category: fried food 
Words: dunker, misuse, cake, pastry, fritter

misuse