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: poker 
Words: level, blind, pack, draw, deck
level

Category: construction 
Words: hoist, crane, excavator, egret, derrick
egret

Category: nutritional value 
Words: obese, heavy, fat, sugar, sugars

obese