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

Category: physical activity 
Words: dog, push, duck, squat, jog
dog

Category: fried food 
Words: pastry, whittle, fritter, pie, dunker

whittle