The term 'WEARS OUT ONE'S WELCOME' can be solved by two crossword solutions: 'STAYS' (5 letters) and 'OVERSTAYS' (9 letters). The term 'WEARS OUT ONE'S WELCOME' is an idiom which means to stay too long in a place or with someone, thus outstaying one's welcome. The crossword solution 'STAYS' implies that the person is staying in a place or with someone for a period of time, while the solution 'OVERSTAYS' implies that the person has stayed too long and has worn out their welcome.