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: activity 
Words: divide, fritter, dessert, whittle, spend
dessert

Category: aesthetic characteristic 
Words: fair, size, medium, dishonest, level
dishonest

Category: moral characteristic 
Words: fair, well, unjust, milky, dishonest

milky