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: fold, suits, deck, sail, hearts
sail

Category: aesthetic characteristic 
Words: high quality, fine, attractive, alright, level
alright

Category: aesthetic characteristic 
Words: beautiful, wispy, neat, pretty, fine

wispy