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: physical activity 
Words: run, jump, autumn, fall, swim
autumn

Category: moral characteristic 
Words: just, make the grade, well, unjust, fair
make the grade

Category: poker 
Words: fold, deck, board, gunwale, cards

gunwale