Answer key | August 9, 2026
The full solution is below, with a short explanation for each group. To avoid spoilers, play the puzzle or open the hints page before reading the answer panels.
SPINE / CHAPTER / COVER / INDEX
SPINE, CHAPTER, COVER, and INDEX all fit the category "Book parts". They help make up a printed book. The shared link accounts for all four words, which is why the remaining board words should be tested against a different rule.
EDITOR / PRODUCER / DIRECTOR / GAFFER
EDITOR, PRODUCER, DIRECTOR, and GAFFER all fit the category "Film crew roles". They appear in movie credits. The shared link accounts for all four words, which is why the remaining board words should be tested against a different rule.
DELTA / RAPIDS / BANK / CURRENT
DELTA, RAPIDS, BANK, and CURRENT all fit the category "River words". Fresh water flows through this set. The shared link accounts for all four words, which is why the remaining board words should be tested against a different rule.
HEART / CLUB / SPADE / DIAMOND
HEART, CLUB, SPADE, and DIAMOND all fit the category "Card suits and kin". A deck has all four. The shared link accounts for all four words, which is why the remaining board words should be tested against a different rule.