Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

Q: fritter, apple, divide, blueberry, danish

A: divide
****
Q: concerned, strap lock, anxious, bored, fret

A: strap lock
****
Q: plummet, tumble, equinox, bend, fall

A:
equinox
****