Play NYT Connections Puzzle #690 Sun, Mar 23

Find groups of four related words Need hints?

Solve NYT Connections puzzle #690 - Group 16 words into 4 categories: ABSORB, ENTRANCE, GRAB, RIVET, AIRPLANE, FAIRY, FLY, HOSPITAL, POCKET, SMART, STOP, WRIST, BACK, BLACK, BUTTONS, MACK.