Viper

Definition:

(a.) Any one of numerous species of Old World venomous makes belonging to Vipera, Clotho, Daboia, and other genera of the family Viperidae.
(a.) A dangerous, treacherous, or malignant person.

Compare viper with other words:

viner vs. viper

viper vs. wiper

piper vs. viper

viper vs. viperine

vapor vs. viper

rattlesnake vs. viper

cobra vs. viper

viper vs. viperous

viper vs. viperish

adder vs. viper

snake vs. viper

poisonous vs. viper