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: direction 
Words: down, right, below, ground, emotionalities
emotionalities

Category: kitchenware 
Words: spoon, glass, bowl, lead, cup
lead

Category: widespread 
Words: general, common, normal, boring, fighter

fighter