5 letters · 10 points in Scrabble
noun venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw
originFrom Middle French vipere, from Old French vipre, from Latin vīpera, contracted from vīvipara f (“viviparous”, adj.), from vīvus (“alive”, adj.) + parere (“to bear”, verb). Doublet of weever and wyvern.
Etymology from Wiktionary, CC BY-SA 3.0