SXSW — Common Crossword Answer

Why is SXSW common in crosswords?

SXSW is a 4-letter crossword answer that appears regularly in published crossword puzzles. Constructors rely on versatile entries like SXSW to fill tight grid spaces and connect longer theme answers. Its letter pattern fits well into a variety of grid structures. Short entries like this are especially valuable in compact crossword formats such as daily minis.