Word Chains..? How good your english is..?

1A. INGEST

2D. GESTURE

3D. SINGING

4D. HAMSTER

5A. SENSING

6D. GINGHAMS

7A. PARENT

8D. LIST LESS

9A. RENTING

10A. TINGE

11D. PREPARE

12A. TUREEN

13A. LESSENS

14A. MENTALIST

15A. REENACTMENT