The term 'REALLY BOTHERS' can be broken down into four crossword solutions: MOLESTS (7 letters), RANKLES (7 letters), IRKS (4 letters), and EATSAT (6 letters). MOLESTS means to harass or attack someone physically or verbally, while RANKLES means to irritate or annoy. IRKS is a verb meaning to cause annoyance or frustration, and EATSAT is an informal term meaning to bother or irritate. All of these words describe the feeling of being really bothered or annoyed.