The term 'OWNS UP TO' can be expressed in three different ways using crossword solutions: AVOWS (5 letters), ADMITS (6 letters), and FESSES (6 letters). To 'own up to' something means to take responsibility for it, to admit that it was done by oneself. AVOWS is a synonym for confesses, while admits is a synonym for acknowledges. Fesses is an informal term meaning to admit or confess. All three words are used to express the idea of taking responsibility for one's actions.