s 1 u 1 p 3 e 1 r 1 n 1 a 1 t 1 u 1 r 1 a 1 l 1 n 1 e 1 s 1 s 1
16 letters · 18 points in Scrabble
Meaning
noun the quality of being attributed to power that seems to violate or go beyond natural forces
originFrom supernatural + -ness.
Etymology from Wiktionary, CC BY-SA 3.0