The term 'find fault' is used to describe the act of criticizing or blaming someone for something. The crossword solutions for this term include NAG (3 letters), CARP (4 letters), CONDEMN (7 letters), CRITICIZE (9 letters), GRUMBLE (7 letters), PAN (3 letters), CRAB (4 letters), RAIL (4 letters), BLAME (5 letters), CAVIL (5 letters), CHIDE (5 letters), RAGON (5 letters), NIGGLE (6 letters), NITPICK (7 letters), QUARREL (7 letters), REPROVE (7 letters), CASTIGATE (9 letters), and REPRIMAND (9 letters). All of these words are synonyms for finding fault with someone, and can be used to describe a range of behaviors from mild criticism to harsh reprimands.