Perplexity

 1 START
 2 CROUPIER
 3 DECEIVE
 4 CONTEND
 5 LACERATE
 6 VANGUARD
 7 BUSINESS
 8 REASON
 9 OSMIUM
10 DUBIOUS
11 STUBBORN
12 XYLOCARP
13 STIMULUS
14 WARDROBE
15 SPARKLE
16 VOLCANO
