Play NYT Connections Puzzle #497 Mon, Sep 23

Find groups of four related words Need hints?

Solve NYT Connections puzzle #497 - Group 16 words into 4 categories: BUMPY, ROUGH, RUGGED, UNEVEN, BED, PARCEL, PATCH, PLOT, CHIP, ROCKY, SCRATCHY, STITCH, AMUSEMENT, NATIONAL, PARALLEL, SOUTH.