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: emotional status 
Words: kind, down, sad, backward, emotionalities
backward

Category: moral characteristic 
Words: unprejudiced, unjust, milky, ok, fair
milky

Category: widespread 
Words: lieutenant, typical, universal, general, ordinary

lieutenant