11 letters · 20 points in Scrabble
noun a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible
noun the quality of being probable; a probable event or the most probable event
originFrom Middle French probabilité, from Latin probābilitās (“probability, credibility”), from probābilis (“probable, credible”).
Etymology from Wiktionary, CC BY-SA 3.0