11 letters · 16 points in Scrabble
noun activity that is a malfunction, intrusion, or interruption
noun an unhappy and worried mental state
noun a disorderly outburst or tumult
originFrom Middle English disturbaunce, from Old French destorbance, destourbance, from destourber (“disturb”), from Latin disturbō. By surface analysis, disturb + -ance.
Etymology from Wiktionary, CC BY-SA 3.0