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: animal 
Words: dangle, fly, run, car, pounce
car

Category: shady activities 
Words: unwarranted, mangle, cream, loosen, fudge
cream

Category: boxing terminology 
Words: tko, ring, queen, level, deck

queen