Hello everyone, nice to welcome you on our site, this page even has Level 9 answers. I enjoy it =D
Level 9 - EEVNID
The answer to this puzzle is:
Words: DEVEIN, ENVIED, VEINED, NIEVE, DIENE, VINED, DENI, VIED, EIDE, NEVE, VIDE, DENE, NEVI, VEND, EVE, VIE, VID, VEE, NEE, DIE, DIN
Bonus words:
DEVEIN, ENVIED, VEINED, NIEVE, DIENE, VINED, DENI, VIED, EIDE, NEVE, VIDE, DENE, NEVI, VEND, EVE, VIE, VID, VEE, NEE, DIE, DIN