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: guitar part 
Words: neck, fret, jack, pick, angry
angry

Category: accomodation 
Words: elevation, level, round, flat, townhome
elevation

Category: emotional status 
Words: fret, strap lock, crying, anxious, emotionalities

strap lock