The term 'PART OF A SCREWDRIVER' can be solved by the five-letter word 'VODKA'. Vodka is a type of distilled alcoholic beverage made from fermented grains or potatoes. It is usually clear and has a relatively neutral flavor, although some flavored varieties are available. In terms of its use as part of a screwdriver, vodka is often used as a lubricant to help loosen screws that have become stuck.