The term 'LUBE (UP)' can be solved by two crossword solutions: OIL (3 letters) and SLICKEN (7 letters). Lube is a lubricant, which is a substance that reduces friction between two surfaces. OIL is a common type of lubricant, and to 'slicken' something means to make it smoother or more slippery. Therefore, the two crossword solutions for the term 'LUBE (UP)' refer to the use of OIL or other lubricants to reduce friction and make surfaces smoother.