u 1 n 1 c 3 h 4 a 1 n 1 g 2 e 1 a 1 b 3 l 1 e 1 n 1 e 1 s 1 s 1
16 letters · 24 points in Scrabble
Meaning
noun the quality of being unchangeable; having a marked tendency to remain unchanged
originEtymology tree English unchangeable Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English unchangeableness From unchangeable + -ness.
Etymology from Wiktionary, CC BY-SA 3.0