LAST WEEK’S SOLUTION:

gigging, giggling, gill, gilt, ginning, glint, igniting, inning, lignin, lilt, lilting, ling, lining, lint, niggling, tiling, till, tilling, tilt, tilting, ting, tinging, tingling, tinning, tint, tinting, titi, titling.

The clued word was: GLINTING