Answer key | July 1, 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.
FALCON / ARROW / COMET / SPRINTER
FALCON, ARROW, COMET, and SPRINTER all fit the category "Fast things". Speed is the common thread. The shared link accounts for all four words, which is why the remaining board words should be tested against a different rule.
DIAMOND / SPADE / HEART / CLUB
DIAMOND, SPADE, HEART, and CLUB 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.
RHINO / CARD / BATTERY / LAWYER
RHINO, CARD, BATTERY, and LAWYER all fit the category "Things that charge". Charge has a different meaning for each. The shared link accounts for all four words, which is why the remaining board words should be tested against a different rule.
DELTA / RAPIDS / CURRENT / BANK
DELTA, RAPIDS, CURRENT, and BANK 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.