Play NYT Connections Puzzle #868 Mon, Sep 15

Find groups of four related words Need hints?

Solve NYT Connections puzzle #868 - Group 16 words into 4 categories: CARPET, LAMINATE, TILE, WOOD, BANK, COAST, SHORE, STRAND, CHEMISTRY, CONNECTION, FIREWORKS, SPARK, BANSHEE, HEARTBREAKER, PIP, WAILER.