The term 'Come Up For Air' can be represented by two crossword solutions: SURFACE (7 letters) and VENT (4 letters). The phrase 'come up for air' is a metaphor for taking a break from a difficult situation or task. It implies that one needs to take a moment to breathe and relax in order to continue. The word SURFACE refers to the top of the water, which is where one would come up for air. The word VENT implies an opening or outlet, which could be used to escape a difficult situation.