Hello everyone, nice to welcome you on our site, this page even has Level 15 answers. I enjoy it =D
Level 15 - TERPNVE
The answer to this puzzle is:
Words: VENTER, PETER, RENTE, PREEN, EVERT, TERNE, TREEN, REVET, PERE, VERT, NEVE, VEEP, TERN, VEER, PEEN, ERNE, NEEP, PEER, PENT, RETE, VENT, PERV, VEE, EVE, PEN, PET, NET, PER, TEE, VET, TEN, ERE, REP, REV, PEE, NEE
Bonus words:
VENTER, PETER, RENTE, PREEN, EVERT, TERNE, TREEN, REVET, PERE, VERT, NEVE, VEEP, TERN, VEER, PEEN, ERNE, NEEP, PEER, PENT, RETE, VENT, PERV, VEE, EVE, PEN, PET, NET, PER, TEE, VET, TEN, ERE, REP, REV, PEE, NEE