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: aesthetic characteristic 
Words: there, ticket, fine, dull, level
ticket

Category: aesthetic characteristic 
Words: ghostly, milky, windy, fair, texture
windy

Category: moral characteristic 
Words: loyal, well, fair, unprejudiced, brisk

brisk