Play NYT Connections Puzzle #648 Tue, Feb 18

Find groups of four related words Need hints?

Solve NYT Connections puzzle #648 - Group 16 words into 4 categories: CAVITY, HOLE, HOLLOW, PIT, AVAILABLE, HANDY, NEARBY, READY, FILLING, HEARTY, SOLID, SQUARE, BUTTY, CHIPPY, FOOTY, TELLY.