The term 'across the sea' can be solved by two words: 'HANDS' (5 letters) and 'ABROAD' (6 letters). The phrase 'across the sea' is often used to refer to a journey or movement from one place to another, usually over a large body of water. It can also be used to describe a situation in which two people or groups are separated by a great distance. In this context, 'HANDS' could refer to the physical act of crossing the sea, while 'ABROAD' could refer to the idea of being away from home.