10 letters · 15 points in Scrabble
noun intense aversion
noun the relation between propositions that cannot both be true at the same time
originFrom Middle English repugnance, repugnaunce, from Old French repugnance, repugnaunce (French répugnance) and its etymon Latin repugnantia. Doublet of repugnancy.
Etymology from Wiktionary, CC BY-SA 3.0